MUDIANA, I. G.; BAYU, I. G. W.; ASPINI, N. N. A. Model Problem Based Learning Berbantuan Media Powerpoint untuk Meningkatkan Hasil Belajar Matematika Siswa SD. Jurnal Ilmiah Pendidikan Profesi Guru, [S. l.], v. 4, n. 3, p. 383–392, 2021. DOI: 10.23887/jippg.v4i3.36096. Disponível em: https://ejournal.undiksha.ac.id/index.php/JIPPG/article/view/36096. Acesso em: 7 may. 2024.