00580cam a22001814a 4500 33661 33661 030714s2003 njua b 001 0 eng 0538089229 SHEFFRIN,Steven M Microeconomics : principles and tools : activebook / Steven M. Sheffrin,David A Wilton and David M Prescott CINCINNATI: South-Western, 1988 xii, 675p. : col. ill. ; Includes;indexes Microeconomics. Wilton David A 7405 Prescott David M. 7407 BK HB172 .O8 2003