000 00334nam a2200133Ia 4500
008 220901s2016 xx 000 0 eng d
082 _a658.4034 GUP
100 _aHira, D S; Gupta, Prem Kumar
245 0 _aOperations Research
260 _bS.Chand
_c2016
_aDelhi
300 _a1498
650 _aOperations Research
942 _2ddc
_cBK
999 _c4394
_d4394