OMO-OGBEBOR, D. O. Nigerian foreign policy approach towards ECOWAS. Journal of Human Sciences, [S. l.], v. 14, n. 4, p. 4015–4022, 2017. Disponível em: https://j-humansciences.com/ojs/index.php/IJHS/article/view/4656. Acesso em: 14 may. 2024.