SYSTEM, Journal. 9 - FOCUS ON RESEARCH AND TRAINING INSTITUTES. Africa Development, [S. l.], v. 2, n. 3, 1977. DOI: 10.57054/ad.v2i3.3453. Disponível em: https://journals.codesria.org/index.php/ad/article/view/3453. Acesso em: 12 mar. 2025.