Megersa S. The Modern World-System IV: Centrist Liberalism Triumphant, 1789-1914. By Immanuel Wallerstein. University of California Press, 2011. xvii, 377pp. Bibliography. Index. EJSS [Internet]. 2015May20 [cited 2025Sep.3];1(1). Available from: http://journals.bdu.edu.et/index.php/ejss/article/view/58