Anand, Simran, and Deepasikha Mishra. “Empirical Study and Comparison of Models via Multiclass Classification of COVID-19 Tweets Using Natural Language Processing”. International Journal of Modern Developments in Engineering and Science, vol. 1, no. 2, Feb. 2022, pp. 9-17, https://journal.ijmdes.com/ijmdes/article/view/10.