OLALERU, F.; EGONMWAN, R. Wildlife conservation challenges in Okomu National Park, Nigeria. Ethiopian Journal of Environmental Studies and Management, [S. l.], v. 7, n. 6, p. 670–676, 2014. DOI: 10.4314/ejesm.v7i6.10. Disponível em: https://www.ajol.info/index.php/ejesm/article/view/109392. Acesso em: 21 oct. 2026.