JOURNAL SYSTEM. AD, Volume 22, n° 3 & 4, 1997 - Full Issue. Africa Development, [S. l.], v. 22, n. 3-4, 1997. DOI: 10.57054/ad.v22i3-4.1946. Disponível em: https://journals.codesria.org/index.php/ad/article/view/1946. Acesso em: 4 aug. 2025.