Mario Nugroho Willyarto, Arsiyanti Lestari, Siswantini, and Virienia Puspita. “Sustainable Education Development in Indonesia: Is Education Ready for Online Learning?”. Elementary Education Online 20, no. 4 (December 19, 2023): 350–357. Accessed December 27, 2024. https://ilkogretim-online.org/index.php/pub/article/view/5911.