Saputra, Mohamad Irvando, I Gusti Ngurah Japa, and Alexander Hamonangan Simamora. “Faktor Kesulitan Belajar Matematika Pada Masa Pandemi Covid-19 Siswa Kelas IV”. Jurnal Ilmiah Pendidikan Profesi Guru 5, no. 2 (July 20, 2022): 280–291. Accessed December 2, 2024. https://ejournal.undiksha.ac.id/index.php/JIPPG/article/view/49815.