Sari, Septyana Wulan, Ervina Eka Subekti, and Maslam. “63. Peningkatan Hasil Belajar Materi Waktu Melalui Model Pembelajaran Problem Based Learning Berbantuan Alat Peraga Siswa Kelas II SDN 1 Samirejo ”. Prosiding Seminar Nasional Pendidikan Profesi Guru 1, no. 1 (July 3, 2023): 570–577. Accessed April 28, 2025. https://conference.upgris.ac.id/index.php/psnppg/article/view/3976.