?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=E.&rft.aulast=Heuff&rft.au=Heuff%2C+E.&rft.title=De+sociale+kracht+van+groene+ruimten&rft.degree=Master&rft.date=2016