?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Pirdaus&rft.au=Pirdaus&rft.title=IMPROVING+THE+PRONUNCIATION+INTELLIGIBILITY+OF+THE+XI+GRADE+STUDENTS+OF+SMA+NEGERI+8+YOGYAKARTA+BY+UTILIZING+AUDIO+BOOKS&rft.date=25+April+2014&rft.inst=Universitas+Negeri+Yogyakarta&rft.degree=S1