Case, Karl E. Principles of economics/ Karl E. Case, Ray C. Fair and Sharon M. Oster. - 11th edition; global edition - Singapore: Pearson Education Limited, c2015. - 813 pages: illustrations; 27 cm. Includes glossary and index. ISBN: 9789810638580 Subjects--Topical Terms: Economics Dewey Class. No.: DC 330 / C26