000 00217 a2200097 4500
001 24403
100 _aAckoff, R.L
245 _aFundamentals of operations research
260 _a
_bWiley
_c1968
090 _c16467
_d16467
942 _aNUST-CAE
_cM
_c7188
999 _c259476
_d259476