VELONJARA, Hassane Mahamad, and Ladson Pires ANDRADE. “The Contribution of Economic Sectors to Economic Growth: The Case of COMESA Countries”. Journal of Economics Library 7, no. 4 (December 23, 2020): 176–187. Accessed July 7, 2024. https://journals.econsciences.com/index.php/JEL/article/view/2148.