Arfiani, Shinta, Muhammad Prayito, and Nor Djama’i. “338. Peningkatan Hasil Belajar Matematika Menggunakan Model PBL Berbantuan Media Papan Penjumlahan Dan Pengurangan Di SD 2 Mijen”. Prosiding Seminar Nasional Pendidikan Profesi Guru 1, no. 1 (July 3, 2023): 3014–3022. Accessed April 28, 2025. https://conference.upgris.ac.id/index.php/psnppg/article/view/4261.