Hanifah, Hanifah, Siti Mutmainah, and Hendra Kartika. “Junior High School Students’ Mathematics Problem-Solving Ability Using the Problem-Based Learning Model: A Systematic Review”. Journal of Research in Science and Mathematics Education 3, no. 1 (April 21, 2024): 28–36. Accessed December 19, 2025. https://journals.eduped.org/index.php/jrsme/article/view/970.