“Implementation of Problem-Based Learning Model to Improve Critical Thinking Skills and Tolerance Attitudes of Students at SD Negeri 21 Kapuh”, AL FARABI, vol. 1, no. 1, pp. 44–50, Jun. 2024, Accessed: Feb. 05, 2025. [Online]. Available: https://journal.alfarabibilingual.sch.id/index.php/alfarabi/article/view/26