?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=+Feh%C3%A9r+P%C3%A9ter&rft.aulast=Feh%C3%A9r&rft.aufirst=P%C3%A9ter&rft.title=Network+analysis+of+scientific+collaboration+-+based+on+coauthorships+-+at+the+doctoral+schools+of+educational+studies+in+Hungary&rft.date=2017&rft.genre=proceeding