?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Koster&rft.au=Koster%2C+Rob&rft.aufirst=Rob&rft.tpages=55&rft.date=2021&rft.title=Demand-responsive+and+sustainable+ways+of+(public)+transport+to+keep+shrinking+regions+in+Groningen+accessible&rft.degree=Master