BOUKABOUS, Wafaa. The Concept of Regional Systems - Theoretical and Conceptual Study-. Journal of Afro-Asian Studies, [S. l.], v. 1, n. 1, p. 15, 2019. Disponível em: https://afroasian-studies.de/index.php/jass/article/view/16. Acesso em: 29 jan. 2026.