HADIWINATA, S.; WIBAWA, I. M. C. Learn Single Substance and Mixed Substances with Demonstration Based Videos: Learning Media Feasibility. International Journal of Elementary Education, [S. l.], v. 5, n. 2, p. 215–223, 2021. DOI: 10.23887/ijee.v5i2.34767. Disponível em: https://ejournal.undiksha.ac.id/index.php/IJEE/article/view/34767. Acesso em: 5 may. 2024.