WIDYASARI, A.; AZAINIL, A.; RUSDIANA, R. Peningkatan Hasil Belajar Matematika Siswa Melalui Model Pembelajaran Problem Based Learning. Prosiding Seminar Nasional Pendidikan Matematika, Universitas Mulawarman, [S. l.], v. 4, p. 17–23, 2024. Disponível em: https://jurnal.fkip.unmul.ac.id/index.php/psnpm/article/view/4042. Acesso em: 5 dec. 2025.