Valentine C, Jamiluddin J, Wahyudin W, Marhum M. Developing Students’ Speaking Skill through Small Group Discussion (SGD) Technique. Onoma [Internet]. 2023 Nov. 6 [cited 2025 Jul. 8];9(2):1601-8. Available from: https://www.e-journal.my.id/onoma/article/view/2895