Mudraka, I Gede. “Model Pembelajaran Open Ended Problem Meningkatkan Hasil Belajar Matematika Pada Siswa Kelas VI Sekolah Dasar”. Journal of Education Action Research 7, no. 4 (December 4, 2023): 489–494. Accessed November 30, 2024. https://ejournal.undiksha.ac.id/index.php/JEAR/article/view/54639.