JOURNAL SYSTEM. AD, Volume 34, n° 2, 2009 - Full Issue. Africa Development, [S. l.], v. 34, n. 2, 2009. DOI: 10.4314/ad.v34i2.1228. Disponível em: https://journals.codesria.org/index.php/ad/article/view/1228. Acesso em: 10 may. 2024.