Sharp, Ansel M. Economics of social issues / Ansel M. Sharp, Charles A. Register, Paul W. Grimes ; Richard H. Leftwich, contributor - 12th ed. - Chicago : Irwin, 1996 - 445 p. : ill. ; 23 cm. ISBN: 0256160759 RM99.40 LCCN: 95-694 Subjects--Topical Terms: EconomicsSocial problems