?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Ervina+%2C+Agustin+&rft.aulast=Ervina+&rft.aufirst=+Agustin++&rft.degree=Masters&rft.date=17+April+2025&rft.title=THE+IMPLEMENTATION+OF+BUDDY+SYSTEM+WITH+THE+COMMUNICATIVE+LANGUAGE+TEACHING+PRINCIPLES+TO+IMPROVE+STUDENTS%E2%80%99+SPEAKING+ACHIEVEMENT+AND+SELF-CONFIDENCE&rft.inst=UNIVERSITAS+LAMPUNG