Viny Gilang Ramadhan and Yuliant Sibaroni 2021. Sentiment Analysis of Public Opinion Related to Rapid Test Using LDA Method. Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi). 5, 4 (Aug. 2021), 672 - 679. DOI:https://doi.org/10.29207/resti.v5i4.3139.