000 00309nam a22001217a 4500
020 _a9789381759820
082 _a363.737
_bDUB.B
245 _aBiological control of enviornmental pollution/
260 _aNew Delhi:
_bKaran paperbacks,
_c2022.
300 _a364p.
700 _aSajai kumar gupta
942 _cBK
999 _c680805
_d680805