JOURNAL SYSTEM. AD, Volume 13, n° 1, 1988 - Full Issue. Africa Development, [S. l.], v. 13, n. 1, 1988. DOI: 10.57054/ad.v13i1.1988. Disponível em: https://journals.codesria.org/index.php/ad/article/view/1988. Acesso em: 19 apr. 2025.