Valentine, Chelsea, Jamiluddin Jamiluddin, Wahyudin Wahyudin, and Mochtar Marhum. “Developing Students’ Speaking Skill through Small Group Discussion (SGD) Technique”. Jurnal Onoma: Pendidikan, Bahasa, dan Sastra 9, no. 2 (November 6, 2023): 1601–1608. Accessed July 24, 2025. https://e-journal.my.id/onoma/article/view/2895.