JOURNAL SYSTEM. AD, Volume 19, n° 2, 1994 - Full Issue. Africa Development, [S. l.], v. 19, n. 2, 1994. DOI: 10.57054/ad.v19i2.1958. Disponível em: https://journals.codesria.org/index.php/ad/article/view/1958. Acesso em: 2 aug. 2025.