00314nam a2200109Ia 4500082002200000100003600022245007000058260002900128300001500157500000500172700002700177  a658.4034bC756.OM  aConstable, E. J. and New, C. C.  aOperations management; a system approach through text and casesb  aLondonbJohn Wileyc1976  axvi, 414p.  a  aNew, C. C. ; jt. auth.