?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Hayze%2C+E.H.+de+la&rft.aufirst=E.H.+de+la&rft.aulast=Hayze&rft.date=2020&rft.degree=Master&rft.title=Het+succes+van+een+vanaf-prijs+als+verkoopmethode