JOURNAL SYSTEME. 9 - Books Received. Africa Development, [S. l.], v. 8, n. 1, 1983. DOI: 10.57054/ad.v8i1.3231. Disponível em: https://www.journals.codesria.org/index.php/ad/article/view/3231. Acesso em: 6 aug. 2025.