Dewi, F. I., N. A. Wibowo, D. N. Sudjito, and F. Rondonuwu. “The Design of One-Dimensional Motion and Two-Dimensional Motion Learning Media Using Digital Camera and Tracker-Based Air Track”. Jurnal Penelitian & Pengembangan Pendidikan Fisika, Vol. 6, no. 1, June 2020, pp. 65 -74, doi:10.21009/1.06107.