SARI, Melania Kartika; SULIANTO, Joko; RUBIATUN, Sri. 215. Penerapan Model Pembelajaran Problem Based Learning Untuk Meningkatkan Hasil Belajar Matematika Kelas Iv SDN Sitirejo. Prosiding Seminar Nasional Pendidikan Profesi Guru, [S. l.], v. 1, n. 1, p. 1922–1930, 2023. Disponível em: https://conference.upgris.ac.id/index.php/psnppg/article/view/4244. Acesso em: 5 dec. 2025.