?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Y.+van+den&rft.aulast=Berg&rft.au=Berg%2C+Y.+van+den&rft.title=Zien+sporten+doet+sporten%3F&rft.date=2018&rft.degree=Bachelor