?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Vries&rft.au=Vries%2C+T.+de&rft.aufirst=T.+de&rft.title=Clustering+in+de+Agribusiness+in+Noord-Nederland&rft.degree=Master&rft.date=2014