Malihatin S, U., Findawati, Y. and Indahyanti, U. 2023. TOPIC MODELING IN COVID-19 VACCINATION REFUSAL CASES USING LATENT DIRICHLET ALLOCATION AND LATENT SEMANTIC ANALYSIS. Jurnal Teknik Informatika (Jutif). 4, 5 (Oct. 2023), 1063-1074. DOI:https://doi.org/10.52436/1.jutif.2023.4.5.951.