Singh, Katar Environmental economics : theory and applications Singh, Katar - New Delhi : Sage Pub. India Pvt. Ltd., c2007. - 423 p. : illustration ; 22 cm. Includes bibliographical references and index. ISBN: 978-0-7619-3597-1. Subjects--Topical Terms: Dewey Class. No.: Circ. 333.7 S617e 2007