?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=J.M.I.&rft.aulast=Custers&rft.au=Custers%2C+J.M.I.&rft.degree=Pre-master&rft.date=2017&rft.title=Veranderende+zorg