JOURNAL SYSTEM. AD, Volume 7, n° 1 & 2, 1982 - Full issue. Africa Development, [S. l.], v. 7, n. 1-2, 1982. DOI: 10.57054/ad.v7i1-2.2010. Disponível em: https://journals.codesria.org/index.php/ad/article/view/2010. Acesso em: 22 jul. 2024.