Lestari, Titin, Darta Darta, and Jusep Saputra. “Increasing High School Students’ Understanding of Mathematical Concepts through the Discovery Learning Model Assisted by Powtoon”. Jurnal Pendidikan Amartha 3, no. 2 (October 28, 2024): 121–132. Accessed June 15, 2026. https://rayyanjurnal.com/index.php/jpa/article/view/2995.