DELITA, F. The Challenges of E-Learning Implementation During the Covid-19 Pandemic in Senior High School. Journal of Digital Learning and Education, Deli Serdang, Indonesia, v. 1, n. 3, p. 150-157, 2021. DOI: 10.52562/jdle.v1i3.257. Disponível em: https://journal.moripublishing.com/index.php/jdle/article/view/257. Acesso em: 9 may. 2026.