Deviga Vengedasalam. Economics / Deviga Vengedasalam, Karunagaran Madhavan. - Second edition. - xiv, 498 pages ; 25 cm - Polytechnic series . ISBN: 9789834711955 (paperback) Subjects--Topical Terms: Economics--Problems, exercises, etc. Dewey Class. No.: 330.076 / DEV 2014