00424nam a2200145Ia 4500082001700000100002300017245004000040260002900080300001300109504001900122650004600141650004500187700002200232700002400254  a003.74 CHU-I  aChurchman, C. West 0aIntroduction to operations research  aLondonbJohn Wileyc1957  ax, 645p.  aIncludes index  aOperations research - Mathematical models  aOperations research - Linear programming  aAckoff, Russell L  aArnoff , E. Leonard