?url_ver=Z39.88-2004&rft_id=10.1109%2FCHUSER.2012.6504380&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Osman%2C+M.A.&rft.aulast=Osman&rft.aufirst=M.A.&rft.date=2012&rft.title=Secondary+students'+perfectionism+and+their+response+to+different+programming+learning+tools&rft.isbn=9781467346153&rft.genre=proceeding