000 00293nam a2200109Ia 4500
008 240109s9999 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 _c1020852
_d1020852