Pichugin, Vitaly, Alexey Panfilov, and Elena Volkova. “The Effectiveness of Online Learning Platforms in Foreign Language Teaching”. World Journal on Educational Technology: Current Issues 14, no. 5 (September 30, 2022): 1357–1372. Accessed November 22, 2024. https://un-pub.eu/ojs/index.php/wjet/article/view/7861.