Irwan, Dedi. “Implementations and Challenges of Online Learning in Kayong Utara Schools”. Jurnal Pendidikan Informatika dan Sains 12, no. 1 (June 30, 2023): 301–307. Accessed August 13, 2025. https://journal.upgripnk.ac.id/index.php/saintek/article/view/6629.