YIN FANG, Chong; IKRAM ZAKARIA, Mohamad; IWANI MUSLIM, Nur Elisa. A Systematic Review: Challenges in Implementing Problem-Based Learning in Mathematics Education. International Journal of Academic Research in Progressive Education and Development, [S. l.], v. 12, n. 3, 2023. Disponível em: https://ijarped.com/index.php/journal/article/view/1020. Acesso em: 24 jul. 2025.