Rahayu, A.N.S., Hermanto, T.I. and Nugroho, I.M. 2022. SENTIMENT ANALYSIS USING K-NEAREST NEIGHBOR BASED ON PARTICLE SWARM OPTIMIZATION ACCORDING TO SUNSCREEN’S REVIEWS. Jurnal Teknik Informatika (Jutif). 3, 6 (Dec. 2022), 1639-1646. DOI:https://doi.org/10.20884/1.jutif.2022.3.6.425.