Kaushik , Anubha . Perspectives in Environmental Studies / Textual Documents Anubha Kaushik & C.P.Kaushik. - 2nd ed / - New Delhi : New Age International ( P ) Limited , 2007. - 280pg ; 24cm. ISBN: 81-224-1755-8 Subjects--Index Terms: Economics G- Economics PG- Economics Dewey Class. No.: 341.762 / Ka 167 Pc