00345nam a2200145 a 450000500170000008200160001710000200003310000200005310000230007324500230009625000120011926000260013130000190015763000230017620251202164259.0  a658.82bBOY  aBoyd, Harper W.  aWestfall, Ralph  aStasch, Stanley F.  aMarketing research  a6th ed.  aRichard D.Irwinc1986  axv, 836 p.cPB  aMarketing Research