000 00247nam a22001097a 4500
003 OSt
082 _a344.54046
_bENV-Q8
245 _aEnvironmental science
260 _aDelhi
_bShiv Das & Sons
_c2018
300 _a164
_bPaper Binding
942 _2ddc
_cBK
999 _c17158
_d17158