000 00473nam a2200193Ia 4500
003 OSt
005 20250820095451.0
008 250729s2005 xx 000 0 und d
020 _a 9788176489102
040 _cAL
041 _aeng
082 _a372.8 SINT
100 _aSingh U K
_9221602
245 _aTeachning of enviournmental science
260 _aNew Delhi
_bA P H Publishing
_c2005
300 _a366p
650 _aEnviournmental
_9221603
942 _2ddc
_cBED
999 _c235089
_d235089