Arifianto, Andrian, and Henny Dewi Koeswanti. “The Difference Between Problem Based Learning Model and Discovery Learning Model on Students’ Critical Thinking Ability”. Journal for Lesson and Learning Studies 5, no. 2 (July 19, 2022): 164–171. Accessed November 29, 2024. https://ejournal.undiksha.ac.id/index.php/JLLS/article/view/49744.