Kanga, Lusia Koja, Richardo Barry Astro, and Yasinta Embu Ika. “ANALYSIS OF VERTICAL MOVEMENTS ON FREEDOM AND BULLET MOVEMENT EVENTS USING VIDEO TRACKING METHOD”. ScienceEdu 4, no. 1 (April 26, 2021): 19–25. Accessed September 8, 2025. https://scienceedu.jurnal.unej.ac.id/index.php/Scedu/article/view/23862.