Hagen, Everett Einar, 1906- The economics of development / E. E. Hagen. - Homewood, Ill. : R. D. Irwin , 1968. - xviii, 536 p. : ill. ; 24 cm. - The Irwin series in economics. . Includes bibliographical references Subjects--Topical Terms: Economic development. Dewey Class. No.: 338.9