ONOR, K. C., and G.-P. U. OKECHUKWU. “Human Security Challenges in the Horn of Africa and the Precarious Contours in Managing Regional Security Problems”. Nnamdi Azikiwe Journal of Political Science, vol. 5, no. 1, Feb. 2017, pp. 150-73, https://najops.org.ng/index.php/najops/article/view/170.