000 00217 a2200097 4500
001 26551
100 _aRiggs J.L
245 _aIntroduction to operation research
260 _a
_bMcGraw-Hill
_c
090 _c17850
_d17850
942 _aNUST-CAE
_cM
_c8725
999 _c261624
_d261624