Fajri H, Kurniawati. UPAYA PENINGKATAN HASIL BELAJAR MATEMATIKA SISWA DALAM MATERI PECAHAN MELALUI PENERAPAN MODEL PEMBELAJARAN PROBLEM BASED LEARNING . JPPG [Internet]. 2024 Nov. 10 [cited 2025 Aug. 1];1(3):97-102. Available from: https://journal.barkahpublishing.com/index.php/jppg/article/view/136