Nigeria stands at a critical crossroads. With over 70% of its 230 million people under age 30, the country boasts one of the world’s youngest populations. This youth bulge represents enormous potential for economic transformation. But only if young Nigerians develop the right skills for tomorrow’s economy.[1]
The statistics paint a stark picture. Despite recent methodological changes that show youth unemployment at 6.5%, experts argue the reality is closer to the 2020 figures of 53.4% for 15-24 year-olds. Nigeria loses approximately $11 billion annually due to digital skills gaps, while 87% of Nigerian employers anticipate rising demand for network and cybersecurity skills by 2030.[2][3][4][1]
The path forward is clear: success in 2025 and beyond requires mastering a strategic mix of technical and soft skills that align with Nigeria’s evolving economy.
Why Skills Matter More Than Ever
The global economy is experiencing unprecedented transformation driven by artificial intelligence, automation, the green transition, and geopolitical shifts. By 2030, over 20% of jobs worldwide are expected to evolve significantly, with technology potentially displacing 92 million jobs while creating 170 million new ones.[5][6]
Nigeria faces unique challenges and opportunities within this context. While automation threatens traditional roles, the country’s large youth population and growing digital infrastructure position it as a potential talent hub for global markets. Nigerian professionals increasingly compete not just locally but internationally, as remote work opens access to global opportunities.
Employers across industries now prioritize practical, job-ready skills over traditional credentials. According to Jobberman, 60% of Nigerian employers place higher value on soft skills than technical skills, while LinkedIn data shows 92% of global recruiters consider soft skills as important as hard skills.[7]
1. Digital Literacy and Basic Computer Skills
Digital literacy serves as the foundation for virtually every modern career path. In Nigeria, where 85% of graduates reportedly lack basic digital skills, this represents both a massive challenge and opportunity for forward-thinking youth.[8]
Basic digital competencies include proficiency in productivity software like Microsoft Office and Google Workspace, understanding of cloud computing platforms, and comfortable navigation of digital communication tools. These skills enable participation in Nigeria’s growing Business Process Outsourcing (BPO) sector, which creates thousands of remote jobs annually.[9]
Nigerian youth can build digital literacy through free online resources like Google’s Digital Skills for Africa program, Microsoft’s digital literacy courses, and local initiatives like the 3 Million Technical Talent (3MTT) program, which trained over 30,000 talents between December 2023 and March 2024. Community libraries and tech hubs in major cities also provide affordable access to computers and internet connectivity.[10]
The return on investment is immediate. Digital literacy opens doors to remote work opportunities with international companies, freelance projects on platforms like Upwork and Fiverr, and positions in Nigeria’s expanding fintech and e-commerce sectors.
2. Programming and Software Development
Software development ranks among Nigeria’s most promising career paths, with the tech ecosystem expanding rapidly. The number of AI-focused startups alone grew from 35 in 2022 to over 80 in early 2024, signaling robust demand for programming talent.[11]
Key programming languages for Nigerian youth include Python (for data science and AI), JavaScript (for web development), Java (for enterprise applications), and Swift or Kotlin (for mobile apps). Companies across finance, healthcare, and e-commerce require developers to build and maintain digital platforms.
Nigerian developers increasingly attract international attention due to competitive labor costs and strong technical skills. Many secure remote positions with global companies or freelance opportunities that pay in foreign currency, providing significant financial advantages.
Self-learning resources abound, including Codecademy, freeCodeCamp, and local bootcamps. Organizations like Andela, ALX, and Ingressive for Good have trained thousands of African developers, with ALX alone training over 85,000 African learners since 2021.[10]
3. Data Analysis and Artificial Intelligence
Data analysis represents one of Nigeria’s fastest-growing skill areas, with businesses increasingly relying on data-driven decision-making. A 2024 McKinsey report projects data and AI skills among the fastest-growing workforce needs globally, particularly in emerging markets.[12]
Essential data analysis skills include proficiency in Excel and Google Sheets, statistical analysis tools like R and Python, data visualization platforms such as Power BI and Tableau, and basic machine learning concepts. These skills apply across banking, telecommunications, marketing, and government sectors.
Nigeria’s government is investing heavily in AI development, with the Digital Bridge Institute announcing plans to train five million workers in AI by 2027. This initiative, backed by President Bola Tinubu’s administration, aims to position Nigeria as an AI innovation hub.[13]
Career opportunities span from entry-level data analyst roles paying ₦2-4 million annually to specialized AI engineer positions commanding much higher salaries. The skills also enable freelance consulting opportunities with international clients seeking affordable, skilled data professionals.
4. Cybersecurity and Information Security
Cybersecurity emerges as perhaps Nigeria’s most critical skill shortage, with the market projected to reach $345.43 million by 2029, growing at 10.70% annually. Nigeria loses approximately $2.4 billion annually to cyber attacks, creating urgent demand for security professionals.[14]
Key cybersecurity skills include network security, penetration testing, ethical hacking, incident response, and understanding of data privacy regulations. The sector offers exceptional career prospects, with entry-level positions paying ₦4-6 million annually and 20% job growth expected by 2025.[14]
Recent partnerships like TD Africa’s collaboration with Check Point Technologies to introduce advanced security solutions demonstrate the sector’s maturation. Government initiatives, including revised curricula making cybersecurity a foundational skill, further underscore its importance.
Training opportunities include specialized programs at institutions like Admiralty University and Federal University of Technology Minna, plus organizations like Acyberschool, which aims to train 1 million professionals by 2030.[14]
5. Digital Marketing and Social Media Management
Nigeria’s digital marketing sector experiences explosive growth as businesses shift online. With internet penetration at 55% and rising, companies increasingly invest in digital presence to reach consumers through social media, search engine optimization, and online advertising.[10]
Essential digital marketing skills encompass social media management across platforms like Instagram, Facebook, and LinkedIn, search engine optimization (SEO) to improve website visibility, content creation including copywriting and basic graphic design, email marketing campaign management, and analytics tools like Google Analytics.
The field offers diverse opportunities, from managing social media for local businesses to running digital campaigns for multinational corporations. Many Nigerian digital marketers also serve international clients remotely, leveraging time zone advantages for global market access.
Certifications from Google Analytics, Facebook Ads, and HubSpot provide credible validation of skills. Local training programs and online courses make these competencies accessible to youth across different economic backgrounds.
6. Communication and Leadership Skills
Despite technological advancement, human-centered skills remain irreplaceable. Communication tops LinkedIn’s 2024 list of most in-demand skills globally, reflecting its crucial role in hybrid work environments and cross-cultural collaboration.[15]
Strong communication skills include clear written and verbal expression in English, active listening abilities, presentation skills for diverse audiences, and cross-cultural sensitivity for international collaboration. Leadership skills encompass team management, conflict resolution, decision-making under pressure, and the ability to inspire and motivate others.
These skills prove especially valuable in Nigeria’s service sector, BPO industry, and management roles across all sectors. Nigerian professionals with excellent communication skills often secure customer service, sales, and management positions with international companies.
Development opportunities include Toastmasters International chapters in major Nigerian cities, online courses through platforms like Coursera and LinkedIn Learning, and participation in local professional organizations and networking events.
7. Entrepreneurship and Business Skills
Entrepreneurship offers powerful potential for Nigerian youth, particularly given limited formal employment opportunities. Nigeria’s entrepreneurial ecosystem is maturing, with Lagos hosting one of Africa’s most dynamic startup hubs, supported by incubators, venture capital companies, and government initiatives.
Core business skills include basic financial management and accounting, market research and competitive analysis, business plan development, project management, and understanding of legal requirements for business registration and operations.
The Central Bank of Nigeria’s Youth Entrepreneurship Development Programme (YEDP) provides structured support, offering finance for startup enterprises in agriculture, ICT, creative industries, and other sectors. Priority goes to activities with high job creation potential.[16]
Successful Nigerian entrepreneurs increasingly leverage digital platforms for business development. E-commerce, digital services, and tech-enabled solutions offer particular promise for youth with limited startup capital but strong digital skills.
8. Critical Thinking and Problem-Solving
Critical thinking and problem-solving rank among the most valuable skills in an AI-dominated economy, as these capabilities complement rather than compete with artificial intelligence. The World Economic Forum identifies creative thinking, analytical thinking, and complex problem-solving among the top skills for 2025-2030.[17]
These skills involve systematic analysis of complex problems, evaluation of multiple solutions and their potential consequences, creative approach to challenges with limited resources, and ability to adapt solutions across different contexts.
Nigerian youth can develop these competencies through case study analysis, participation in hackathons and innovation challenges, engagement with complex local problems requiring innovative solutions, and structured problem-solving methodologies learned through online courses or workshops.
These skills prove valuable across all sectors but particularly in consulting, management, engineering, and entrepreneurship roles where novel solutions create competitive advantages.
9. Financial Literacy and Management
Financial literacy becomes increasingly critical as Nigeria’s economy digitalizes and youth engage in entrepreneurship, freelancing, and remote work. Understanding personal and business finance enables sustainable career development and wealth building.
Essential financial skills include personal budgeting and expense management, understanding of banking products and services, basic investment principles including stocks, bonds, and mutual funds, foreign exchange management for those earning in multiple currencies, and business financial management for entrepreneurs.
Nigeria’s fintech growth creates opportunities for youth to access previously unavailable financial services while also requiring greater financial sophistication to navigate digital payment platforms, investment apps, and online banking safely.
Training resources include the Nigerian Stock Exchange’s investor education programs, fintech companies’ financial literacy initiatives, and online courses covering personal finance and investment fundamentals.
10. Adaptability and Continuous Learning
Perhaps the most crucial skill for 2025 and beyond is the ability to continuously learn and adapt. The World Economic Forum estimates that 39% of current employee skill sets will be obsolete within five years, making lifelong learning essential for career sustainability.[17]
Adaptability encompasses comfort with technological change and new platforms, ability to quickly acquire new skills as market demands shift, resilience in facing economic uncertainty and job market changes, and openness to working across different industries and role types.
Nigerian youth can develop adaptability by maintaining curiosity about emerging technologies and industry trends, regularly updating skills through online learning platforms, building diverse professional networks across industries, and maintaining flexibility in career planning while pursuing core competencies.
The rapid pace of change means that specific technical skills may become obsolete, but the ability to learn, adapt, and solve problems will remain perpetually valuable.
How to Get These Skills
Nigerian youth have multiple pathways to develop these crucial competencies, even with limited financial resources.
Online Learning Platforms provide accessible, affordable education. Coursera, edX, and Udacity offer courses from top universities, often with financial aid available. Platform-specific training like Google’s Digital Skills for Africa, Microsoft’s digital literacy programs, and LinkedIn Learning provide industry-recognized credentials.
Government and NGO Programs offer structured support. The 3MTT program continues expanding digital skills training. The Nigerian government’s revised education curriculum includes digital literacy and cybersecurity as foundational skills starting in 2025. Organizations like Ingressive for Good have equipped over 132,000 students with coding and technology skills since 2020.[10][14]
Bootcamps and Intensive Programs provide accelerated learning. Local and international coding bootcamps offer intensive training with job placement support. Many operate income-share agreements, allowing students to pay tuition after securing employment.
Practical Experience through internships, volunteer work, and freelancing enables skill application and portfolio development. Many Nigerian companies and international organizations offer remote internship opportunities.
Community Resources including tech hubs in cities and towns across the country provide access to computers, internet, and networking opportunities. Libraries and community centers increasingly offer digital skills training programs.
Nigerian youth should approach skill development strategically, focusing on complementary skill combinations rather than isolated competencies. For instance, combining programming skills with business knowledge, or data analysis with communication abilities, creates more valuable and marketable professional profiles.
Conclusion
Nigeria stands at a pivotal moment. The country’s massive youth population represents either its greatest asset or its biggest challenge, depending on how successfully young Nigerians prepare for the economy of 2025 and beyond.
The ten skills outlined; digital literacy, programming, data analysis, cybersecurity, digital marketing, communication and leadership, entrepreneurship, critical thinking, financial literacy, and adaptability, form the foundation for thriving in Nigeria’s evolving economy. These competencies enable participation in high-growth sectors, access to international opportunities, and the creation of value that drives economic development.
The responsibility for development extends beyond individual youth to encompass the entire ecosystem. Government must continue investing in digital infrastructure, educational reform, and supportive policies. Employers should prioritize skills-based hiring and provide mentorship opportunities. Educational institutions must align curricula with market demands and emphasize practical application.
For Nigerian youth, the message is clear: the future belongs to those who proactively develop relevant skills today. The resources exist, the opportunities are growing, and the potential for transformation is immense. Success requires commitment to continuous learning, strategic skill development, and the courage to pursue new possibilities in an rapidly changing world.
The question isn’t whether Nigeria’s youth can succeed in the digital economy, it’s whether they will seize the opportunity to lead it. Those who act now will not only secure their own futures but will drive the economic transformation that lifts the entire nation.
References:
- https://www.afrobarometer.org/wp-content/uploads/2025/06/AD998-Nigerian-youth-want-government-action-on-jobs-and-cost-of-living-Afrobarometer-16june25.pdf
- https://tradingeconomics.com/nigeria/youth-unemployment-rate
- https://punchng.com/digital-skills-gap-may-cost-nigeria-11bn-yearly-expert-warns/
- https://nairametrics.com/2025/01/09/top-10-fastest-declining-jobs-in-2025-report/
- https://www.weforum.org/stories/2025/03/jobs-match-meaningful-work-technology/
- https://imanagerpublications.com/article/21582
- https://www.paredaimplus.com.ng/blogs_on/how-soft-skills-can-give-you-an-edge-in-nigeria-s-job-market
- https://getbundi.com/blog/85-of-Nigerian-graduates-have-no-digital-skills-Survey
- https://etradeforall.org/news/future-jobs-sub-saharan-africa-population-boom-can-make-region-talent-hotspot
- https://insights.techcabal.com/nigerias-digital-skills-gap/
- https://instincthub.com/blog/the-rise-of-artificial-intelligence-in-nigeria-current-trends-and-future-outlook
- https://www.linkedin.com/posts/kathryn-b-suwa_the-results-are-in-most-respondents-believe-activity-7363842262025330688-4UDU
- https://www.itedgenews.africa/nigeria-to-train-5-million-workers-in-ai-by-2027-dbi-president-announces/
- https://www.nucamp.co/blog/coding-bootcamp-nigeria-nga-nigeria-cybersecurity-job-market-trends-and-growth-areas-for-2025
- https://www.linkedin.com/business/talent/blog/talent-strategy/linkedin-most-in-demand-hard-and-soft-skills
- https://www.cbn.gov.ng/out/2016/dfd/yedp guidelines.pdf
- https://www.sciendo.com/article/10.2478/sbe-2025-0028
- http://hdl.handle.net/10986/33691
- http://journal2.uad.ac.id/index.php/joves/article/download/8021/3615
- https://ccsenet.org/journal/index.php/ass/article/download/19338/12807
- https://www.mckinsey.com/featured-insights/week-in-charts/nigerias-narrow-career-pipeline-for-women
- https://www.youtube.com/watch?v=krCn58s0s_A
- https://www.mckinsey.com/~/media/mckinsey/mckinsey global institute/our research/a microscope on small businesses the productivity opportunity by country/a-microscope-on-small-businesses-nigeria.pdf
- https://www.itu.int/en/ITU-D/Regional-Presence/Africa/Documents/ITU ILO Programme Youth/Nigeria_Skills Innovation Call.pdf
- https://learning.itcilo.org/ilo/youthemployment/PDF/yenwp1.pdf
- https://www.mckinsey.com/ng/our-insights
- https://sdgs.un.org/sites/default/files/2024-02/ILO-NGYouthSDGs Side Event.pdf
- https://www.weforum.org/publications/the-future-of-jobs-report-2025/digest/
- https://www.greatplacetowork.com.ng/images/award/2024_Great_Place_To_Work_Award_Brochure_-_WEB.pdf
- https://portal.pep-net.org/document/download/38987
- https://www.mckinsey.com/capabilities/mckinsey-digital/our-insights/closing-the-loop-the-quest-for-gender-parity-in-african-tech
- https://techpoint.africa/insight/data-analytics-skills-vs-artificial-intelligence-2024/
- https://initiativefordigitalinclusion.org/tag/future-of-jobs-report/
- https://www.semanticscholar.org/paper/299bb70510c061e0bc890cf13e295dd2944648cc
- https://kjed.kiu.ac.ug/assets/articles/1722846110_application-of-lecturers’-research-skills-and-effective-job-performance-in-universities-in-cross-river-state-nigeria.pdf
- https://bjmas.org/index.php/bjmas/article/view/962
- https://dl.acm.org/doi/10.1145/3701625.3701671
- https://www.innovativehumancapital.com/article/leading-with-empathy-how-humanity-trumps-technical-skills-in-times-of-change
- https://eprajournals.com/IJSR/article/13701
- https://www.tandfonline.com/doi/full/10.1080/12460125.2024.2348932
- https://meridian.allenpress.com/jgb/article/19/2/i/499655/COMMUNICATION-SKILLS-AND-REPORT-WRITING-FOR
- https://wjaets.com/node/3342
- https://journals.sagepub.com/doi/10.1177/02666669241302054
- https://www.mdpi.com/2227-9709/2/4/31/pdf?version=1447675333
- https://arxiv.org/ftp/arxiv/papers/2210/2210.01535.pdf
- https://ojs.amhinternational.com/index.php/jsds/article/download/705/705
- https://eprints.federalpolyilaro.edu.ng/2083/1/Skill Acquisition and Entrepreneurship Development in Nigeria.pdf
- https://www.linkedin.com/pulse/5-most-in-demand-jobs-nigeria-youngcerebral-h2vpe
- https://journalsajsse.com/index.php/SAJSSE/article/view/884
- https://techneo.ng/where-to-learn-cyber-security-in-nigeria-in-2025/
- https://internationalpolicybrief.org/wp-content/uploads/2023/10/ARTICLE4-92.pdf
- https://www.linkedin.com/posts/goodnewsobarisiagbor_2024-the-year-nigerias-job-market-taught-activity-7279769636911353856-SISb
- https://techacademysolution.com/cyber-security-for-beginners-in-nigeria-the-ultimate-2025-guide/
- https://taapublications.com/tijssra/article/view/521
- https://www.ijfmr.com/research-paper.php?id=22680
- https://www.journalserapublications.com/index.php/ijrmcs/article/view/71
- https://www.ewadirect.com/proceedings/tns/article/view/22923
- https://journals.spu.ac.ke/index.php/amjr/article/view/359
- https://cambridgeresearchpub.com/ijlphr/article/view/609
- https://journal.ashapublishing.co.id/index.php/josse/article/view/124
- http://www.onlinesciencepublishing.com/index.php/ajssh/article/view/1270
- https://journal.ascarya.or.id/index.php/iscs/article/view/767
- https://journals.openedition.org/rdctss/9163
- https://www.cambridge.org/core/services/aop-cambridge-core/content/view/B0CB3AE1BA1D53EF08A59B4D820EAFDD/S2169976324000044a.pdf/div-class-title-the-challenge-of-youth-unemployment-in-nigeria-div.pdf
- https://www.ijtsrd.com/papers/ijtsrd5961.pdf
- https://pmc.ncbi.nlm.nih.gov/articles/PMC11261012/
- http://www.mcser.org/journal/index.php/mjss/article/download/8717/8375
- https://arxiv.org/pdf/2310.07789.pdf
- https://ejtas.com/index.php/journal/article/download/435/351
- https://www.omicsonline.org/open-access/population-and-its-impact-on-level-of-unemployment-in-least-developed-countries-2151-6200.100081.pdf
- https://journals.e-palli.com/home/index.php/ajsde/article/download/1136/766
- https://journalofeconomics.org/index.php/site/article/download/240/306
- https://www.mdpi.com/2673-8104/2/1/6/pdf
- https://www.statista.com/statistics/812300/youth-unemployment-rate-in-nigeria/
- https://bpsr.gov.ng/tackling-youths-unemployment-in-nigeria/
- https://www3.weforum.org/docs/WEF_EGW_FOJ_Africa.pdf
- https://punchng.com/53-youth-unemployment-national-security-threat-kale/
- https://nigerianyouthsdgs.org/youth-employment-in-nigeria-a-vehicle-for-decent-work-and-economic-growth/
- https://www.verivafrica.com/insights/the-future-of-work-ais-impact-on-nigerias-job-market
- https://www.nigerianstat.gov.ng/elibrary/read/1241455
- https://www.afrobarometer.org/publication/ad998-facing-lack-of-economic-opportunity-nigerian-youth-want-government-action-on-jobs-and-cost-of-living/
- https://www.weforum.org/stories/2025/05/the-future-of-jobs-in-sub-saharan-africa-population-boom-can-make-region-a-talent-hotspot/
- https://enterprisengr.com/unemployment/
- https://reports.weforum.org/docs/WEF_Future_of_Jobs_Report_2025.pdf
- https://www.nigerianstat.gov.ng/pdfuploads/NLFS_Q1_2024_Report.pdf
- https://lsetf.ng/content/future-jobs-report-2025-implications-lagos-state-and-nigeria
- https://www.nigerianstat.gov.ng/elibrary/read/1241429
- https://www.weforum.org/publications/the-future-of-jobs-report-2025/future-of-jobs-data-explorer-2025/
- https://nira.org.ng/pdf/.ng_Academy_2025_OUTLOOK_REPORT.pdf
- https://radionigeria.gov.ng/2025/01/12/ai-to-replace-92m-jobs-by-2030-wef/
- https://journals.bilpubgroup.com/index.php/jees/article/view/8055
- https://ikprress.org/index.php/JOGRESS/article/view/9662
- https://rsisinternational.org/journals/ijriss/articles/harnessing-digital-entrepreneurship-for-youth-empowerment-advancing-sustainable-economic-growth-in-southeast-nigeria/
- https://berkeleypublications.com/bjmse/article/view/479
- https://publicera.kb.se/ir/article/view/47173
- https://js.foefugusau.com.ng/index.php/foefujs/article/view/91
- https://credence-publishing.com/journal/uploads/archive/202517571948609695015037.pdf
- https://taapublications.com/tijerls/article/view/565
- https://ejournal.uinsaid.ac.id/index.php/at-tarbawi/article/view/11778
- http://medrxiv.org/lookup/doi/10.1101/2025.06.18.25329867
- https://arxiv.org/pdf/2401.03996.pdf
- https://ejtas.com/index.php/journal/article/download/79/56
- https://www.granthaalayahpublication.org/journals/index.php/granthaalayah/article/download/IJRG18_A11_1804/1011
- https://www.qeios.com/read/XHR1TA/pdf
- https://www.frontiersin.org/articles/10.3389/fsoc.2025.1577765/full
- https://www.cogitatiopress.com/mediaandcommunication/article/download/7133/7133
- https://arxiv.org/pdf/1504.04644.pdf
- https://www.ccsenet.org/journal/index.php/par/article/download/36600/20585
- http://juniperpublishers.com/ttsr/pdf/TTSR.MS.ID.555665.pdf
- https://online-journals.org/index.php/i-jet/article/download/653/847
- https://www.linkedin.com/pulse/bridging-digital-skills-gap-nigeria-urgent-insights-abdurrazzaq-vm8bf
- https://www.edstellar.com/blog/skills-in-demand-in-nigeria
- https://nigeria234.com/2025/08/23/top-20-future-proof-careers-for-nigerians-in-the-age-of-ai/
- https://businessday.ng/news/article/employers-look-out-for-soft-skills-because-they-set-one-apart-lsetf-official/
- https://jotvetar.org/volume7n1/paper5.pdf
- https://edutechbusiness.net/top-skills-nigerian-employers-want-in-2025/
- https://ng.indeed.com/q-artificial-intelligence-jobs.html
- https://www.nairaland.com/8205792/top-soft-skills-nigerian-employers
- https://www.ecofinagency.com/news-finances/2507-47858-africa-faces-critical-digital-skills-gap-as-youth-population-booms-un-warns
- https://ng.linkedin.com/jobs/artificial-intelligence-jobs
- https://www.myjobmag.com/blog/8-employability-skills-recruiters-look-out-for
- https://cremnigeria.org/digital-skills/
- https://nairametrics.com/2024/09/24/future-jobs-that-cannot-be-overshadowed-by-ai/
- https://linkinghub.elsevier.com/retrieve/pii/S1470204525000622
- https://bristoluniversitypressdigital.com/view/journals/gpe/aop/article-10.1332-26352257Y2025D000000040/article-10.1332-26352257Y2025D000000040.xml
- https://www.ijfmr.com/research-paper.php?id=45973
- https://www.openscience.fr/June-2025-Nice-capital-of-the-world-ocean
- https://opendocs.ids.ac.uk/articles/report/Rapid_Scoping_Review_2025_Pakistan/28806641?file=53703122
- https://journalwjarr.com/node/1347
- https://policyjournalofms.com/index.php/6/article/view/773
- https://www.nepjol.info/index.php/IJSSM/article/view/82350
- https://hdl.handle.net/10986/30589
- https://arpgweb.com/pdf-files/jssr6(1)114-126.pdf
- https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajmse.20230802.11.pdf
- http://article.sciencepublishinggroup.com/pdf/10.11648.j.ijber.20200905.15.pdf