Ahmad , Bashir, Asia Zulfiqar, and Ruqia Safdar Bajwa. “Studying the Effect of Problem-Based Learning on Mathematics Achievement of Elementary Students”. Journal of Excellence in Social Sciences 3, no. 2 (May 19, 2024): 125–136. Accessed July 4, 2024. https://journals.smarcons.com/index.php/jess/article/view/246.