?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=F.P.&rft.au=Langejan%2C+F.P.&rft.aulast=Langejan&rft.degree=Bachelor&rft.date=2011&rft.title=Jongeren+in+de+Noordoostpolder