DATRENI, N. L. Model Pembelajaran Problem Based Learning Meningkatkan Hasil Belajar Matematika Siswa Kelas III Sekolah Dasar. Journal of Education Action Research, [S. l.], v. 6, n. 3, p. 369–375, 2022. DOI: 10.23887/jear.v6i3.49468. Disponível em: https://ejournal.undiksha.ac.id/index.php/JEAR/article/view/49468. Acesso em: 5 may. 2024.