00302nam a2200121 a 450000500170000002000150001708200190003210000200005124500410007125000120011226000350012430000210015920251203091853.0  a0030746221  a658.5,bD, gai  aGaither, Norman  aProduction and operations management  a5th ed.  aFort WorthbDryden Pressc1992  axxiv, 886p, 24cm