000 00291nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _a"Prem kumar Gupta & Hira, D.S."
245 0 _aOperations Research
260 _bS.Chand & Company
260 _c2014
365 _b625.00
942 _cBK
999 _c151226
_d151226