000 00310nam a2200133Ia 4500
008 230321s9999 xx 000 0 und d
082 _a512.944
_bGUP
100 _aGupta, C.B.
245 0 _aQuantative tec. & Operation Research
250 _a3rd
260 _bSultan Chand
_c2013
300 _a---
942 _cBB
999 _c5991
_d5991