Limay Trisno Putra, A., D. Mukthar, and S. Novita. “Learning Mathematics With Western Sumatera-Based Learning Video to Improve The Numerical Literacy Skill of Students”. International Conference on Science, Education, and Technology, vol. 8, no. 1, Oct. 2022, pp. 215-20, https://proceeding.unnes.ac.id/ISET/article/view/1754.