2023. Investigating The English Speaking Skill Of The Eleventh Grade Students Of Smk Swasta 2 Tamansiswa Pematang Siantar By Using Tedxtalks Youtube channel. Bilingual : Jurnal Pendidikan Bahasa Inggris. 5, 2 (Oct. 2023), 138 – 144. DOI:https://doi.org/10.36985/sv3m5w97.