?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Jurrjens&rft.au=Jurrjens%2C+S.&rft.aufirst=S.&rft.title=De+perceptie+van+ouderen+over+sociale+contacten+met+betrekking+tot+hun+mobiliteit.&rft.date=2015&rft.degree=Bachelor