Pengaruh Model Pembelajaran Problem Based Learning Terhadap Hasil Belajar Siswa Pada Materi Perbandingan Di SD Swasta  Al-Washliyah 80. JIMNU [Internet]. 2026 Jul. 28 [cited 2026 Jul. 17];4(2):245-9. Available from: https://jurnal.padangtekno.com/index.php/jimnu/article/view/712