000 00439nam a2200205Ia 4500
020 _a9788121902816
041 _aEnglish
082 _a511.33 GUP
100 _aGUPTA AND HIRA
245 _aOPERATIONS RESEARCH
250 _a7
260 _bS CHAND
_c2023
300 _a1498
365 _b995
_dRupees
366 _ePURCHASE
541 _aTBH
_d12-06-2024
_cSupplier
652 _aOR
852 _aCENTRAL LIBRARY
942 _cBK
999 _c103174
_d103174