Yusuf Sodhiqin, Haryanto, and Abdul Muin. “Problem Solving Learning With Drawing a Diagram Strategy to Improve Mathematical Reflective Thinking Skills”. Jurnal Pendidikan dan Pengajaran 57, no. 3 (October 28, 2024): 551–562. Accessed February 22, 2025. https://ejournal.undiksha.ac.id/index.php/JPP/article/view/80361.