Widikasih, Putu Astri, I Wayan Widiana, and I Gede Margunayasa. “Online Learning Problems for Elementary School Students”. Journal of Education Research and Evaluation 5, no. 3 (June 7, 2021): 489–497. Accessed July 17, 2024. https://ejournal.undiksha.ac.id/index.php/JERE/article/view/34254.