Sari SW, Subekti EE, Maslam. 63. Peningkatan Hasil belajar Materi Waktu Melalui Model Pembelajaran Problem Based Learning Berbantuan Alat Peraga Siswa Kelas II SDN 1 Samirejo . psnppg [Internet]. 2023 Jul. 3 [cited 2025 Apr. 26];1(1):570-7. Available from: https://conference.upgris.ac.id/index.php/psnppg/article/view/3976