000 00264nam a22000857a 4500
008 210522b |||||||| |||| 00| 0 eng d
050 _aT57.6 .T34 2008
245 _a Operations research
_ban introduction
_cTAHA, HAMDY A.
942 _2lcc
_hT57.6 .T34 2008
999 _c5116
_d5116