ONU, G., CHIAMOGU, A. P. and ONWUGHALU, V. C. (2012) “Regime Types and Power Equations in Political Systems: A Study of Presidentialization of Power in Democracies”, Nnamdi Azikiwe Journal of Political Science, 3(1), pp. 27–40. Available at: https://najops.org.ng/index.php/najops/article/view/380 (Accessed: 17 April 2026).