Nugraha, R. A., Hermanto, T. I. and Nugroho, I. M. (2022) “NAÏVE BAYES ALGORITHM OPTIMIZATION USING PARTICLE SWARM OPTIMIZATION (PSO) FOR COVID-19 VACCINE SENTIMENT ANALYSIS ON TWITTER”, Jurnal Sistem Informasi dan Ilmu Komputer Prima(JUSIKOM PRIMA), 6(1), pp. 23-28. doi: 10.34012/jurnalsisteminformasidanilmukomputer.v6i1.2776.