JOURNAL SYSTEM. AD, Volume 24, n° 1 & 2, 1999 - Full Issue. Africa Development, [S. l.], v. 24, n. 1-2, 1999. DOI: 10.4314/ad.v24i11999. Disponível em: https://journals.codesria.org/index.php/ad/article/view/1942. Acesso em: 16 may. 2024.