000 00475nam a2200193Ia 4500
003 OSt
008 210901s2020 xx 000 0 eng d
020 _a9788120417120
082 _a628.54 RAO
100 _aRao M N
245 0 _aWaste Water Treatment
250 _a3
260 _aNew Delhi
_bOxford and IBH Publishing
_c2020
300 _a388
440 _aUG_BE *DPT_CSE **ADDVOL2021-22
650 _aEnvironmental Science
700 _aDatta A K
942 _2ddc
_cBK
_01
999 _c242
_d242