?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=WAHYUNI%2C+FIRDA+AYU&rft.aufirst=FIRDA+AYU&rft.aulast=WAHYUNI&rft.degree=S1&rft.inst=UNIVERSITAS+SULTAN+AGENG+TIRTAYASA&rft.title=The+Effect+of+TED+Talks+as+a+Teaching+Medium+on+Students%E2%80%99+Speaking+Skills+(Experimental+Study+at+the+Eleventh+Grade+of+SMAN+1+Tirtayasa)&rft.tpages=107&rft.date=2026