Sahudra, Tengku Muhammad, Alamsyah Taher, and Isthifa Kemal. “E-Learning Development Management With The Schoology Improving Geographic Learning Literation”. Journal of Education Technology 5, no. 1 (April 8, 2021): 70–75. Accessed April 28, 2024. https://ejournal.undiksha.ac.id/index.php/JET/article/view/33631.