000 00439n a2200169 a 4500
000 B B
001 037845
005 20220204114949.0
020 _a81-7629-591-4
082 _a333.7
_bP4 ECO
100 _aSingh, P.P.
245 _aEnvironment and Pollution Education
260 _aNew Delhi
_bDeep & Deep Publications Pvt. Ltd.
_c2004
300 _axiv,434p.
690 _aEnvironmental Economics, Economics
908 _aG
999 _c37844
_d37844