000 00333nam a22001457a 4500
003 OSt
020 _a9789355700469
082 _a575.52 SHA
100 _aSharma, Ashwani
245 _aEnvironmental Science
260 _aNew Delhi
_bAkinik Publications
_c2022
300 _a120p.
650 _aEnvironmental Science
942 _2ddc
_cBK
999 _c8301
_d8301