Khoirotunnisa, and Nalim Nalim. 2022. “Pengaruh Model Pembelajaran Problem Based Learning Terhadap Pemahaman Konsep Matematika”. SANTIKA : Seminar Nasional Tadris Matematika 2 (September):168-79. https://proceeding.uingusdur.ac.id/index.php/santika/article/view/1104.