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 , [S. l.], v. 1, n. 1, p. 119–130, 2022. DOI: 10.56855/intel.v1i1.209. Disponível em: https://journals.eduped.org/index.php/intel/article/view/209. Acesso em: 26 sep. 2025.