?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Graff%2C+M.+E.&rft.aulast=Graff&rft.aufirst=M.+E.&rft.title=Festivalpromotie+in+het+Waddengebied&rft.degree=Bachelor&rft.date=2017