Kaushik, Anubha Environmental Studies / by Anubha Kaushik and C.P. Kaushik - 3rd ed. - New Delhi New Age International 2008 - xviii, 309p. ; 24cm. Includes Bibliography ISBN: 9788122422399 Subjects--Topical Terms: Environmental Studies Dewey Class. No.: 372.357 / KAU/E / KAU/E