M. Arifuddin, M. Mastuang, and A. I. Mahardika, “Improving Problem Solving Skill in Physics Through Argumentation Strategy in Direct Instruction Model”, IJSBAR, vol. 35, no. 3, pp. 348–353, Sep. 2017, Accessed: Oct. 13, 2025. [Online]. Available: https://gssrr.org/JournalOfBasicAndApplied/article/view/8043