Jhingan, M.L. Principles of economics : M.L. Jhingan. - 4th ed. - Delhi : Vrinda Pub. Ltd., c1997. - xiv, 698 p. : ill. ; 24 cm. ISBN: 9788182814264 LCCN: 82080600 Subjects--Topical Terms: Economics. Dewey Class. No.: 330 / JHI