SYSTEM, Journal. 7 FOCUS ON RESEARCH AND TRAINING INSTITUTES. Africa Development, [S. l.], v. 2, n. 1, 1977. DOI: 10.57054/ad.v2i1.3399. Disponível em: https://journals.codesria.org/index.php/ad/article/view/3399. Acesso em: 30 jun. 2024.