000 00298nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _a"Gupta, P.K. & Hira, D.S."
245 0 _aProblems in Operations Research
260 _bS.Chand & Company
260 _c2007
365 _b400.00
942 _cBK
999 _c142325
_d142325