et. al., J. Jeyasudha,. “Topic Modeling and Sentimental Analysis of Tweets on Covid19 to Find the Weightage of the Popular Hashtag”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 9 (April 24, 2021): 1856–1861. Accessed September 12, 2025. https://textitlejournal.com/turcomat.org/index.php/turkbilmat/article/view/3612.