ASTUTI, Ayu Puji; PRAMASDYAHSARI, Agnita Siska; ISKANDAR, Bayu. 335. Peningkatan Pemahaman Konsep Matematika Pada Peserta Didik Kelas 1 SD 1 Dersalam Melalui Model Pembelajaran Problem Based Learning. Prosiding Seminar Nasional Pendidikan Profesi Guru, [S. l.], v. 1, n. 1, p. 2989–2996, 2023. Disponível em: https://conference.upgris.ac.id/index.php/psnppg/article/view/4263. Acesso em: 28 apr. 2025.