Gupta, Sunit. Environment population and resources : critical challenges / Sunit Gupta, Mukta Gupta. - New Delhi : Anmol Publications , 1997. - viii, : 346p ; 24cm . NULL ISBN: 8174886662 Rs.1000.00 Subjects--Index Terms: ENVIRONMENTAL PROBLEMS Dewey Class. No.: 363.7 / GUP/E