JOURNAL SYSTEM, Journal system. AD, Volume 42, n° 4, 2017 - Full Issue. Africa Development, [S. l.], v. 42, n. 4, 2017. DOI: 10.57054/ad.v42i4.706. Disponível em: https://www.journals.codesria.org/index.php/ad/article/view/706. Acesso em: 6 aug. 2025.