Roskin, Michael G Countries and concepts : an introduction to comparative politics. by Michael G Roskin - 4th ed. - New Jersey Prentice Hall c1992 - xix,394p. :ill.,map ;25cm. ISBN: 0131835831 Subjects--Topical Terms: Comparative GovernmentComparative PoliticsPolitical Science Dewey Class. No.: 320.3 / ROS