Firdaus, Thoha, and Arini Sinensis. “Momentum Practicum Using Video Analysis for Graph Interpretation Capabilities”. International Conference on Mathematics and Science Education of Universitas Pendidikan Indonesia 3 (December 1, 2018): 292-297. Accessed March 2, 2021. http://science.conference.upi.edu/proceeding/index.php/ICMScE/article/view/98.