mrizkidirmansyah, and Riduan Febriandi. “Meningkatkan Kemampuan Problem Solving Matematika Siswa Sd Melalui Implementasi Model Problem Based Learning”. Jurnal Elementaria Edukasia 6, no. 4 (December 30, 2023): 2135–2144. Accessed April 27, 2025. https://ejournal.unma.ac.id/index.php/jee/article/view/7591.