000 00295nam a2200133Ia 4500
008 220901s2014 xx 000 0 eng d
082 _a658.4034 GUP
100 _aGupta, P.
245 0 _aOperations research
250 _a7
260 _bS.Chand
_c2014
_aDelhi
300 _a1498
942 _2ddc
_cBK
999 _c788
_d788