MANSOUR, Fawzy. 1 - Some notes on social stratification and social change in Africa : some theoretical considerations. Africa Development, [S. l.], v. 3, n. 3, 1978. DOI: 10.57054/ad.v3i3.3477. Disponível em: https://journals.codesria.org/index.php/ad/article/view/3477. Acesso em: 30 jun. 2024.