Leftwich, Richard H. Economics of social issues / Richard H. Leftwich, Ansel M. Sharp. - 5th ed. - Plano, Tex. : Georgetown, Ont. : Business Publications ; Irwin-Dorsey, 1982. - x, 380 p. : ill. ; 23 cm. Includes bibliographies and index. ISBN: 0256027013 (pbk.) Subjects--Topical Terms: Economics.Social problems. Dewey Class. No.: 336.2 / LEE 1982