Gultom, Selamat. “Meningkatkan Hasil Belajar Operasi Hitung Pecahan Matematika Melalui Model Pembelajaran Problem Based Lerning (Pbl) Yang Inovatif Kelas V Sd Negeri 010 Bonai Darussalam”. Journal of Development Education and Learning (JODEL) 2, no. 3 (September 2, 2024): 212–216. Accessed April 29, 2026. https://mail.jodel.or.id/index.php/jodel/article/view/50.