Mahagia, F. A., A. M. Goni, and W. H. F. Rorimpandey. “MODEL PEMBELAJARAN PROBLEM BASED LEARNING (PBL) MENINGKATKAN HASIL BELAJAR MATEMATIKA SISWA”. Bloom Journal, vol. 1, no. 3, Nov. 2024, pp. 32-42, https://jurnal.unima.cc/index.php/bloom/article/view/11364.