Pengaruh model Problem Based Learning terhadap peningkatan kemampuan pemecahan masalah matematika. Primatika. J. Pend. Mat. [Internet]. 2023 Aug. 20 [cited 2026 Aug. 4];12(2):79-88. Available from: https://jurnal.fkip.unmul.ac.id/index.php/primatika/article/view/1172