?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Bemt&rft.aufirst=V.+van+den&rft.au=Bemt%2C+V.+van+den&rft.degree=Bachelor&rft.title=Online+communities+en+groene+ruimte&rft.date=2016