000 00294nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _aHamdy A. Taha
245 0 _aOperations Research: An introduction
260 _bPHI Learning Pvt. Ltd
260 _c1997
365 _b295.00
942 _cBK
999 _c140037
_d140037