Ramadhan, Viry Puspaning, Purwanto Purwanto, and Farrikh Alzami. “Sentiment Analysis of Community Response Indonesia Against Covid-19 on Twitter Based on Negation Handling”. Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control 7, no. 2 (May 31, 2022). Accessed December 11, 2023. https://kinetik.umm.ac.id/index.php/kinetik/article/view/1429.