OMAAMAKA, O. P.; OKECHUKWU, G.-P. Nigeria’s Hegemony in West Africa – Counting the Cost. Journal of International Studies, [S. l.], v. 11, p. 65–89, 2015. Disponível em: https://e-journal.uum.edu.my/index.php/jis/article/view/jis2015.11.5. Acesso em: 2 may. 2024.