?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Martijn&rft.aulast=Ras&rft.au=Ras%2C+Martijn&rft.degree=Bachelor&rft.title=Appreciation+of+the+cultural+landscape+maintenance+in+the+Noardlike+Fryske+W%C3%A2lden+in+Opeinde%2C+Friesland&rft.tpages=80&rft.date=2021