00418nam a2200133Ia 4500008004100000082001700041100002200058245008000080260005400160300000900214650001700223653002000240653002400260170901s1980    xx            000 0 und d  a001.64bW12P  aWagner, Harvey M. 0aPrinciples of Operations ResearchbWith Application to Managerial Decisions  aNew DelhibPrentice-Hall of India Pvt. Ltd.c1980  a1039  aGeneralities  aDecision making  aOperations research