Prandika, Dendik Dwi, and Muhlasin Amrullah. “The Effect of the Covid 19 Pandemic on the Online Learning Process”. Proceedings of The ICECRS 100 (August 9, 2021): 63-71. Accessed May 3, 2024. https://icecrs.umsida.ac.id/index.php/icecrs/article/view/1058.