00297nam a2200121 a 450000500170000002000150001708200160003210000200004824500430006825000120011126000340012330000180015720251203091737.0  a0205083749  a658.85bMAR  aMarks, Ronald B  aPersonal sellingbInteractive approach  a2nd ed.  aBostonbAllyn and Baconc1985  ax,566p.c24cm