“63. Peningkatan Hasil Belajar Materi Waktu Melalui Model Pembelajaran Problem Based Learning Berbantuan Alat Peraga Siswa Kelas II SDN 1 Samirejo ” 1, no. 1 (July 3, 2023): 570–577. Accessed August 11, 2026. https://conference.upgris.ac.id/index.php/psnppg/article/view/3976.