Kasliwal, P. S. ., R. . Gunjan, and V. . Shete. “Computation of E-Learners Textual Emotion to Enhance Learning Experience”. International Journal of Intelligent Systems and Applications in Engineering, vol. 11, no. 10s, Aug. 2023, pp. 849-58, https://ijisae.org/index.php/IJISAE/article/view/3338.