?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Althuis&rft.au=Althuis%2C+Bernard+van&rft.aufirst=Bernard+van&rft.degree=Bachelor&rft.date=2014&rft.title=Apps+uit+het+hoge+noorden%3A+%E2%80%98De+App-sector+in+Groningen.%E2%80%99