?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Kikkert%2C+Gerald&rft.aulast=Kikkert&rft.aufirst=Gerald&rft.degree=Master&rft.date=2020&rft.tpages=76&rft.title=Veldexperimenten+in+de+planningspraktijk