JOURNAL SYSTEM. AD, Volume 17, n° 2, 1992 - Full Issue. Africa Development, [S. l.], v. 17, n. 2, 1992. DOI: 10.57054/ad.v17i2.3561. Disponível em: https://journals.codesria.org/index.php/ad/article/view/3561. Acesso em: 3 jul. 2024.