Khoirotunnisa, and Nalim Nalim. “Pengaruh Model Pembelajaran Problem Based Learning Terhadap Pemahaman Konsep Matematika”. SANTIKA : Seminar Nasional Tadris Matematika 2 (September 30, 2022): 168–179. Accessed September 20, 2024. http://103.142.62.229/index.php/santika/article/view/1104.