JOURNAL SYSTEM. 10 - Cover page. Africa Development, [S. l.], v. 4, n. 2-3, 1979. DOI: 10.57054/ad.v4i2 & 3.3538. Disponível em: https://journals.codesria.org/index.php/ad/article/view/3538. Acesso em: 1 aug. 2025.