Tutuarima, Sheniita, et al. “Keefektifan Model Pembelajaran Problem Based Learning (PBL) Ditinjau Dari Hasil Belajar Dan Minat Siswa SMP”. THEOREMA: The Journal Education of Mathematics, vol. 5, no. 2, Dec. 2024, https://e-journal.unimudasorong.ac.id/index.php/jurnaltheorema/article/view/1146.