Rasheed, B. A., and Dalha, M. C. “Investigation of Developmental Relationship Between West and East African Regions Using Socio-Economic Indicators”. Savannah Journal of Science and Engineering Technology 2, no. 3 (February 24, 2025): 67–74. Accessed September 13, 2025. https://www.sajsetjournal.com.ng/index.php/journal/article/view/97.