?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Hoekstra&rft.aufirst=M.J.&rft.au=Hoekstra%2C+M.J.&rft.title=Perceptions+on+the+reasons+for+teenage+pregnancies+among+Turkish+and+Moroccan+girls+in+the+Netherlands&rft.degree=Master&rft.date=2008