JOURNAL SYSTEM. AD, Volume 22, n° 1, 1997 - Full Issue. Africa Development, [S. l.], v. 22, n. 1, 1997. DOI: 10.57054/ad.v22i1.1948. Disponível em: https://www.journals.codesria.org/index.php/ad/article/view/1948. Acesso em: 5 aug. 2025.