Hadiwinata, Simon, and I Made Citra Wibawa. “Learn Single Substance and Mixed Substances With Demonstration Based Videos: Learning Media Feasibility”. International Journal of Elementary Education 5, no. 2 (June 7, 2021): 215–223. Accessed May 5, 2024. https://ejournal.undiksha.ac.id/index.php/IJEE/article/view/34767.