Onwuatuegwu, Ignatius Nnaemeka. “A Research Review on the Global Refocusing on African Development: Challenges and Opportunities in 21stCentury”. European Scientific Journal, ESJ 16, no. 20 (July 30, 2020): 129. Accessed February 6, 2026. https://last.eujournal.org/index.php/esj/article/view/13149.