AD, Volume 4, n° 4, 1979 - Full Issue. Africa Development, [S. l.], v. 4, n. 4, 1979. DOI: 10.57054/ad.v4i4.2019. Disponível em: https://journals.codesria.org/index.php/ad/article/view/2019. Acesso em: 30 jun. 2024.