000 00264nam a2200133Ia 4500
100 _aTaha/Hamdy.A
942 _cBK
654 _aResearch
245 _aOperation Research
260 _bMcGraw Hill
_c1971
082 _a658.4
300 _a703
546 _aENGLISH
999 _c35511
_d35511