?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Koopman&rft.aufirst=Jeroen&rft.au=Koopman%2C+Jeroen&rft.title=Regional+differences+in+loneliness+among+Polish+migrants+in+the+Netherlands%3A+The+impact+of+environmental+factors&rft.tpages=29&rft.degree=Master&rft.date=2021