000 00319nam a2200133Ia 4500
008 240827s9999 xx 000 0 und d
020 _a9788121941006
100 _aP.K. Gupta
245 0 _aIntroducation To Operations Research
250 _aLatest
260 _bS.Chand
_c2020
650 _aManagement
942 _cBK
999 _c27276
_d27276