Implementing the Problem-Based Learning Model Supported by Canva-Based Animated Videos on Fourth-Grade Students’ Learning Outcomes in Plane Geometry Characteristics. J. Bs. Edu. R [Internet]. 2026 May 20 [cited 2026 Jun. 8];7(3):179-86. Available from: https://cahaya-ic.com/index.php/JBER/article/view/3057