?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Rutger&rft.aulast=Heijnen&rft.au=Heijnen%2C+Rutger&rft.tpages=42&rft.degree=Bachelor&rft.date=2023&rft.title=SUCCESFULL+AGING+PERCIEVED+BY+AGE+GROUPS+20-30+AND+50-65+YEARS+OLD+IN+THE+NETHERLANDS