Ruroh, Imas, and Mahpudin Mahpudin. “Pengaruh Model Problem Based Learning Terhadap Kemampuan Pemecahan Maslah Matematis Siswa Sekolah Dasar”. Papanda Journal of Mathematics and Science Research 2, no. 1 (March 28, 2023): 17–21. Accessed January 12, 2026. https://ejournal.papanda.org/index.php/pjmsr/article/view/299.