Sangeeta Rani, Nasib Singh Gill. “COVID-19: Twitter Sentiment Analysis Based on Geospatial Tweets”. International Journal of Advanced Science and Technology 29, no. 05 (May 25, 2020): 6944-6952. Accessed May 4, 2024. http://sersc.org/journals/index.php/IJAST/article/view/18142.