000 00246 a2200109 4500
020 _a9788121942904
100 _aDUBEY, R.C.
245 _aADVANCED BIOTECHNOLOGY
250 _a1
260 _bSCHAND AND COMPANY LTD., NEW DELHI
_c2023
942 _cBK
999 _c88359
_d88359