00283nam a2200109 a 450000500170000008200200001710000260003724500380006325000120010126000420011330000180015520251202164208.0  a658.45,bD, lor  aLord, William Jackson  aFunctional business communication  a3rd ed.  aEnglewood CliffsbPrentice-Hallc1983  ax, 611p, 23cm