Improving Speaking Skill by Debate Method aT Grade 8 SMP Swasta Muhammadiyah 21 Serbelawan. jbl [Internet]. 29 Oktober 2025 [dikutip 21 Desember 2025];7(2):143 – 152. Tersedia pada: https://jurnal.usi.ac.id/index.php/jbl/article/view/2001