Dye, Thomas R. Policy analysis : what governments do, why they do it, and what difference it makes / Thomas R. Dye. - University : University of Alabama Press, c1976. Includes bibliographical references and index. ISBN: a13.1..1.11 a13.2..1.10 LCCN: 75037717 Subjects--Topical Terms: Policy sciences. LC Class. No.: H61 / .D94 Dewey Class. No.: 300/.1