Rismaini, Lili, and Dewi Devita. “Efektivitas E-Modul Model Pembelajaran Problem Solving Pada Pelajaran Matematika”. Jurnal Cendekia : Jurnal Pendidikan Matematika 6, no. 2 (April 26, 2022): 1511-1516. Accessed June 25, 2022. https://j-cup.org/index.php/cendekia/article/view/1392.