00397nam a2200133 a 450000500170000008200160001710000220003310000270005524500660008226000460014830000240019463000270021863000180024520251202164321.0  a658.45bKRE  aKrey, Isabelle A.  aMetzler, Bernadette V.  aPrinciples and techniques of effective business communication  aNew YorkbHarcourt Brace Jovanovichc1986  a532 p .b23 cm.cHB  aBusiness communication  aCommunication