Sari, Yunita, Arita Marini, and Yuli Rahmawati. “Animation With Problem-Based Learning to Improve Student High Level Thinking Skills”. Cypriot Journal of Educational Sciences 18, no. 1 (January 30, 2023): 243–254. Accessed November 24, 2024. https://un-pub.eu/ojs/index.php/cjes/article/view/8176.