000 00295nam a22001097a 4500
020 _a9789351242581
082 _a363.7
_bAGA.T;2
100 _aAgarwal, Divya
245 _aTextbook of environmental science
_cDivya Agarwal,; and manoj K Agarwal
260 _aNew Delhi:
_bDaya,
_c2015
942 _cBK
999 _c324051
_d324051