JOURNAL SYSTEM. AD, Volume 32, n° 3, 2007 - Full Issue. Africa Development, [S. l.], v. 32, n. 3, 2021. DOI: 10.4314/ad.v32i3.1242. Disponível em: https://journals.codesria.org/index.php/ad/article/view/1242. Acesso em: 11 mar. 2025.