Nugraha, R.A. et al. 2022. NAÏVE BAYES ALGORITHM OPTIMIZATION USING PARTICLE SWARM OPTIMIZATION (PSO) FOR COVID-19 VACCINE SENTIMENT ANALYSIS ON TWITTER. Jurnal Sistem Informasi dan Ilmu Komputer. 6, 1 (Aug. 2022), 23–28. DOI:https://doi.org/10.34012/jurnalsisteminformasidanilmukomputer.v6i1.2776.