000 00288nam a2200121Ia 4500
008 220201s1969 xx 000 0 eng d
082 _a658
100 _aGroff, Gene K & Mulb, John F
245 0 _aOperation management
260 _bRichard D iswar
_c1969
300 _a440
942 _2ddc
999 _c75784
_d75784