000 00390nam a2200157Ia 4500
005 20250516195850.0
008 250516s9999 xx 000 0 und d
020 _a81-89652-07-9
041 _aeng
082 _a333.714
100 _aSingh, Benu.
245 _aEcology and Environment
260 _aDelhi
_bVista International Pub. House.
_c2006
300 _a262 p.
650 _aEducation
999 _c65724
_d65724