AD, Volume 5, n° 4, 1980 - Full Issue. Africa Development, [S. l.], v. 5, n. 4, 1980. DOI: 10.57054/ad.v5i4.2015. Disponível em: https://www.journals.codesria.org/index.php/ad/article/view/2015. Acesso em: 5 aug. 2025.