00296nam a2200133Ia 4500 07085923X 511.33 CHU/O Churchill, Ruel Operational Mathematics Mcgrawhill Tokyo 1958 476p Operations Research BK 1002 1002 0 0 0 0 MAT GBCTL GBCTL F20 2024-01-12 517 CHU/O 10046 BK 0 0 0 0 MAT GBCTL GBCTL F20 2024-01-12 517 CHU/O 12825 BK 0 0 0 0 MAT GBCTL GBCTL F20 2024-01-12 517 CHU/O 12826 BK 0 0 0 0 MAT GBCTL GBCTL F20 2024-01-15 517 CHU/O 14536 BK