?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Drenth%2C+R.&rft.aufirst=R.&rft.aulast=Drenth&rft.title=Leren+van+falen+is+succes+behalen&rft.degree=Master&rft.date=2006