JOURNAL SYSTEM. AD, Volume 23, n° 1 , 1998 - Full Issue. Afrique et développement, [S. l.], v. 23, n. 1, 1998. DOI: 10.57054/ad.v23i1.3591. Disponível em: https://journals.codesria.org/index.php/ad/article/view/3591. Acesso em: 19 mai. 2024.