Case, Karl E. Principles of economics / Karl E. Case and Ray C. Fair. - Englewood Cliffs, N.J. : Prentice Hall, c1989. - xxxvi, 1025 p. : ill. ; 26 cm. Includes bibliographical references and index. ISBN: 0132232243 Subjects--Topical Terms: Economics. LC Class. No.: HB171.5 / .C37 1989