000 00400nam a2200157Ia 4500
008 210716s2012 xx 000 0 und d
020 _a8121902819
041 _aeng
082 _a003 GUPP
100 _aGupta, Prem Kumar;Hira, D S.
245 _aOperations research.
250 _a1
260 _aNew Delhi
_bS Chand and Company Ltd
_c2012
300 _axii,1418
650 _aOperations Research
999 _c207128
_d207128