00318nam a2200109 a 450000500170000008200190001710000180003624500400005426000390009430000220013349000530015520251203091608.0  a658.5,bD, gal  aGalloway, RL.  aPrinciples of operations management  aLoNew DelhionbRoutledge, UKc1993  axii, 190p, 22 cm.  aRoutledge series in the principles of management