OKTAVIANI, Yenni; REFINNE, Fine; PARYUNI. 242. Peningkatan Hasil Belajar Matematika Melalui Model Problem Based Learning Kelas 1 SDN Gajahmungkur 04. Prosiding Seminar Nasional Pendidikan Profesi Guru, [S. l.], v. 1, n. 1, p. 2155–2160, 2023. Disponível em: https://conference.upgris.ac.id/index.php/psnppg/article/view/4308. Acesso em: 5 dec. 2025.