000 00367nam a22001697a 4500
003 OSt
008 210522b ||||| |||| 00| 0 eng d
020 _a9788122418484
082 _a577
_bSIE
100 _aSINGH,YK
245 _aEnvironmental Science
250 _aRep
260 _aNew Delhi
_bNew Age
_c2020
300 _a310
650 _aBBA
942 _2ddc
_cBK
999 _c10663
_d10663