JOURNAL SYSTEM. AD, Volume 33, n° 1, 2008 - Full Issue. Africa Development, [S. l.], v. 33, n. 1, 2021. DOI: 10.4314/ad.v33i1.1238. Disponível em: https://journals.codesria.org/index.php/ad/article/view/1238. Acesso em: 27 jul. 2025.