CHILESHE, J. . THE PROBLEM OF EXPORTS AND IMPORTS  IN AFRICAN COUNTRIES. Dirasat in Economics and Business , [S. l.], v. 8, n. 1, 1972. DOI: 10.37376/deb.v8i1.3086. Disponível em: https://next.fannak.com/index.php/DEB/article/view/3086. Acesso em: 23 aug. 2026.