Sirait, Judyanto, Patrick Ricky, and Hamdani Hamdani. “Development and Validation of the Force Diagrams Representation Test”. Jurnal Penelitian & Pengembangan Pendidikan Fisika 9, no. 2 (December 31, 2023): 183–196. Accessed November 22, 2024. https://journal.unj.ac.id/unj/index.php/jpppf/article/view/37216.