Tarigan, Sri, Naumi Barimbing, Soniara Saragih, and Srisofian Sianturi. 2022. “Improving Students’ Speaking Skill Through Debate Technique at Second Grade Students’ of Senior High School”. Jurnal Ilmiah Wahana Pendidikan 8 (24), 467-73. https://doi.org/10.5281/zenodo.7494665.