00356nam a2200121 a 450000500170000002000150001708200180003210000210005024500810007125000120015226000440016430000260020820251203091330.0  a0876921624  a658.4034bWAG  aWagner, Harvey M  aPrinciples of Operations ResearchbWith Applications to Managerial Decisions  a2nd ed.  aNew DelhibPrentice Hall of Indiac1989  axii,1039p.c24 cm. PB