nitedem kenney, prudence nicaise, and Bruno Emmanuel ONGO NKOA. “A Effects of Exogenous Shocks on Africa’s Participation in World Trade: Empirical Evidence from the Franc Zone”. Quantitative Economics and Management Studies 6, no. 6 (November 13, 2025). Accessed April 23, 2026. https://qemsjournal.org/index.php/qems/article/view/4178.