Rehman, Aqsa, Naeem Aslam, Kamran Abid, Muhammad Fuzail, and Asif-Ur- Rehman. “The Impact of COVID-19 on E-Learning: Context-Based Sentiment Analysis Discourse Using Text Mining”. VAWKUM Transactions on Computer Sciences 11, no. 1 (May 27, 2023): 184–203. Accessed May 14, 2026. https://vfast.org/journals/index.php/VTCS/article/view/1489.