APRILIA, U. I.; SUYOTO; KUNIJAH, D. 213. Peningkatan Hasil Belajar Menggunakan Model Problem Based Learning Pada Mata Pelajaran Matematika di Sekolah Dasar. Prosiding Seminar Nasional Pendidikan Profesi Guru, [S. l.], v. 1, n. 1, p. 1907–1915, 2023. Disponível em: https://conference.upgris.ac.id/index.php/psnppg/article/view/4242. Acesso em: 19 feb. 2026.