000 00280nam a22001217a 4500
999 _c6496
_d6496
003 OSt
005 20210321115040.0
008 210321b ||||| |||| 00| 0 eng d
100 _aBILLY E. GILLEFF
245 _aINTRODUCTION TO OPERATIONS RESEARCH
260 _bTMH
942 _2ddc
_cGE