Dan O. Chukwu, and J.G. Nkem Onyekpe. “ECONOMIC INTEGRATION: DOES MODERN WEST AFRICA NEED ANY HISTORICAL LESSONS?”. Researchers World - International Refereed Social Sciences Journal, vol. 5, no. 4, Sept. 2021, pp. 188-9, https://www.researchersworld.com/index.php/rworld/article/view/841.