AD, Volume 4, n° 1, 1979 - Full Issue. Africa Development, [S. l.], v. 4, n. 1, 1979. DOI: 10.57054/ad.v4i1.2021. Disponível em: https://journals.codesria.org/index.php/ad/article/view/2021. Acesso em: 12 mar. 2025.