Ire Puspa Wardhani, Yudi Irawan Chandra, and Ferri Yusra. “Application of the Naïve Bayes Classifier Algorithm to Analyze Sentiment for the Covid-19 Vaccine on Twitter in Jakarta”. International Journal of Innovation in Enterprise System 7, no. 1 (January 31, 2023): 1–18. Accessed April 3, 2025. https://ijies.telkomuniversity.ac.id/index.php/IJIES/article/view/615.