000 00344nam a2200133Ia 4500
005 20260720174538.0
008 260720s2005 xx 000 0 und d
041 _aeng
082 _a372.8 SINT
100 _aSingh, U K
_9267938
245 _aTeachning of enviournmental science
260 _aNew Delhi
_bA P H Publishing
_c2005
300 _a366p
999 _c242016
_d242016