JOURNAL SYSTEM. AD, Volume 32, n° 2, 2007 - Full Issue. Africa Development, [S. l.], v. 32, n. 2, 2021. DOI: 10.4314/ad.v32i2.1243. Disponível em: https://journals.codesria.org/index.php/ad/article/view/1243. Acesso em: 6 may. 2024.