JOURNAL SYSTEM. AD, Volume 11, n° 1, 1986 - Full Issue. Africa Development, [S. l.], v. 11, n. 1, 1986. DOI: 10.57054/ad.v11i1.1997. Disponível em: https://journals.codesria.org/index.php/ad/article/view/1997. Acesso em: 6 oct. 2024.