270 Upaya Peningkatan Pendekatan Saintifik Melalui Model Problem Based Learning Untuk Meningkatkan Hasil Belajar Siswa Kelas V SD 2 Mijen . psnppg. 2023;1(1):2383-2392. Accessed August 11, 2026. https://conference.upgris.ac.id/index.php/psnppg/article/view/4384