?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Wijbenga&rft.au=Wijbenga%2C+G.J.&rft.aufirst=G.J.&rft.date=2015&rft.degree=Bachelor&rft.title=Analyse+van+de+retailmarkt+van+het+Centrum+van+Groningen