Yin Fang, C., Ikram Zakaria, M. and Iwani Muslim, N. E. (2023) “A Systematic Review: Challenges in Implementing Problem-Based Learning in Mathematics Education”, International Journal of Academic Research in Progressive Education and Development, 12(3). Available at: https://ijarped.com/index.php/journal/article/view/1020 (Accessed: 24 July 2025).