000 00292nam a2200109Ia 4500
008 160930s9999 xx 000 0 und d
100 _aGupta, Prem Kumar and Hira ,D. S.
245 _aOperations Research
260 _aNew Delhi
_bS. Chand & Com.
_c2012
300 _axii,1418p.;24cm
942 _cBK
999 _c1649
_d1649