1. I. Safrina, J. Maknun, and L. Hasanah, “How to improve student’s skill on the concept dynamic electricity?,” J. Phys. Conf. Ser., vol. 1157, no. 3, 2019.
2. D. Iskandar and A. R. Hamdani, “Enhancing Concept Understanding and Problem Solving Ability by Using Blended Learning System in Social Sciences Learning in Grade V SDN Tanjung III,” vol. 306, pp. 322–328, 2019.
3. L. Maharani et al., “Students concept understanding of fluid static based on the types of teaching,” J. Phys. Conf. Ser., vol. 1155, no. 1, 2018.
4. I. Resita and C. Ertikanto, “Designing electronic module based on learning content development system in fostering students’ multi representation skills,” J. Phys. Conf. Ser., vol. 1022, no. 1, 2018.
5. A. Lusiyana, Festiyed, and Yulkifli, “The problems of integrating multiple representation skills in physics learning,” J. Phys. Conf. Ser., vol. 1185, no. 1, 2019.