?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Billy+Williandro+Siray&rft.aufirst=Billy+Williandro+Siray&rft.date=11+March+2023&rft.tpages=33&rft.title=A+CASE+STUDY+OF+TEACHERS%E2%80%99+AND+STUDENTS%E2%80%99+VOICES+ON+THE+USE+OF+AUDIO-VISUAL+MEDIA+IN+LISTENING+CLASSROOM&rft.inst=Universitas+Kristen+Duta+Wacana&rft.degree=Bachelor