?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Afiyah%2C+Fajriatun+Nur&rft.aufirst=Fajriatun+Nur&rft.aulast=Afiyah&rft.degree=S1&rft.date=20+August+2014&rft.inst=Universitas+Negeri+Yogyakarta&rft.title=IMPROVING+STUDENTS%E2%80%99+SPEAKING+SKILLS+OF+THE+EIGHTH+GRADE+STUDENTS+OF+SMP+N+2+JETIS+THROUGH+GROUP+WORK+IN+THE+ACADEMIC+YEAR+OF+2013%2F2014