?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Y.&rft.aulast=Pijper&rft.au=Pijper%2C+Y.&rft.title=Bulgarije+in+transitie%2C+investeren+in+de+kantorenmarkt%3F&rft.degree=Master&rft.date=2009