Agustiana, Agustiana, and Reni Untarti. “Implementasi Model Differentiated Problem Based Learning Untuk Meningkatkan Kemampuan Pemecahan Masalah Matematis Siswa Kelas X”. Jurnal Didactical Mathematics 6, no. 2 (September 3, 2024): 283–291. Accessed June 19, 2026. https://www.ejournal.unma.ac.id/index.php/dm/article/view/11070.