Dr. N. T. Renukadevi, Ms. S. Nandhinidevi, Dr. S. Karunakaran, Mr. R. Santhosh Kumar. “Sentiment Analysis on Twitter Data Using Machine Learning Algorithms”. International Journal of Advanced Science and Technology, Vol. 29, no. 04, June 2020, pp. 4556 -2, http://sersc.org/journals/index.php/IJAST/article/view/24863.