JOURNAL SYSTEM. AD, Volume 21, n° 1, 1996 - Full Issue. Africa Development, [S. l.], v. 21, n. 1, 1996. DOI: 10.57054/ad.v21i1.1951. Disponível em: https://journals.codesria.org/index.php/ad/article/view/1951. Acesso em: 27 jul. 2025.