A Flipbook on Waste Recycling Based on the Problem-Based Learning Model: An Effort to Improve Students’ Understanding of Explanatory Texts. Jor. Eva. Edu [Internet]. 2025 Jul. 31 [cited 2026 May 22];6(3):1008-19. Available from: https://cahaya-ic.com/index.php/JEE/article/view/1706