MUDRAKA, I. G. . Model Pembelajaran Open Ended Problem Meningkatkan Hasil Belajar Matematika Pada Siswa Kelas VI Sekolah Dasar. Journal of Education Action Research, [S. l.], v. 7, n. 4, p. 489–494, 2023. DOI: 10.23887/jear.v7i4.54639. Disponível em: https://ejournal.undiksha.ac.id/index.php/JEAR/article/view/54639. Acesso em: 12 may. 2024.