Duffy, John, 1964- Economics / by John Duffy. - 1st ed. - Lincoln, Neb. : Cliffs Notes, Inc., 1993. - ix, 156 p. : ill. ; 21 cm. - Cliffs quick review . ISBN: 0822053241 : Subjects--Topical Terms: Economics. LC Class. No.: HB171.5 Dewey Class. No.: 330