JOURNAL SYSTEM. 9 - Focus on Research and Training Institutes . Africa Development, [S. l.], v. 10, n. 3, 1985. DOI: 10.57054/ad.v10i3.3114. Disponível em: https://www.journals.codesria.org/index.php/ad/article/view/3114. Acesso em: 6 aug. 2025.