Igue, Charlemagne B., and Yves Essehou. “Dynamics and Determinants of Total Labor Productivity in Sub-Saharan Africa”. La Revue Internationale des Économistes de Langue Française 9, no. 1 (August 2, 2024). Accessed August 20, 2025. https://journals.ue.poznan.pl/rielf/article/view/1632.