Syamsinar. “MENINGKATKAN PRESTASI BELAJAR MATEMATIKA MATERI TEOREMA PYTHAGORAS PADA SISWA KELAS VIII.8 MTSN 1 OKU TIMUR MELALUI PENERAPAN PROBLEM BASED LEARNING”. Indonesian Journal of Teaching and Learning 1, no. 1 (October 9, 2022): 119–130. Accessed September 26, 2025. https://journals.eduped.org/index.php/intel/article/view/209.