Case, Karl E. Principles of economics / Karl E. Case, Ray C. Fair, Sharon M. Oster. - Eleventh edition. Global edition. - 815 pages : illustrations (some colour) ; 28 cm Includes index. ISBN: 9780273789994 (paperback) 0273789996 (paperback) Subjects--Topical Terms: Economics. Dewey Class. No.: 330 / CAS 2014