Setiawan, Ade, and Syaodih Ernawulan. “The Effect of the Application of the Model Problem Based Learning on Critical Thinking Ability in Social Science Lessons in Class IV of Elementary 2 Pesanggrahan”. International Conference on Elementary Education 4, no. 1 (April 14, 2022): 1-9. Accessed May 4, 2024. http://proceedings.upi.edu/index.php/icee/article/view/1964.