Sharp, Ansel Miree, 1924- Economics of social issues / Ansel M. Sharp, Charles A. Register, Richard H. Leftwich. - 8th ed. - Plano, Tex. : Business Publications, 1988. - xiii, 431 p. : ill. ; 24 cm. Includes bibliographies and index. ISBN: 0256061734 (pbk.) Subjects--Topical Terms: Economics. Social problems.