000 00291nam a2200109Ia 4500
008 231219s9999 xx 000 0 und d
041 _aeng
100 _aHamdy A.Taha.
245 _aOperations Research : An Introduction - 4th Ed
260 _bMamillan Pub Co.Newyork
650 _aManagement
999 _c975570
_d975570