Megersa, Sisay. 2015. “The Modern World-System IV: Centrist Liberalism Triumphant, 1789-1914. By Immanuel Wallerstein. University of California Press, 2011. Xvii, 377pp. Bibliography. Index”. Ethiopian Journal of Social Sciences (EJSS) 1 (1). https://journals.bdu.edu.et/index.php/ejss/article/view/58.