00430nam a2200157 a 450000500170000008200130001710000210003024500480005126000290009930000230012863000150015196400160016699700110018299900150019395200640020820251202164225.0  a658bDRU  aDrucker, Peter F  aManagement tasks responsibilities practices  adELHIbMcGraw HILLc1985  a839 p.b22 cm.cPB  amANAGEMENT  bcdefg_  a2682 W  c3929d3929  02104070aPUbPUd1998-04-08g80.00l0o658 DRUp2682yBK