“Sentiment Analysis and Topic Modeling of Indonesian Public Conversation about COVID-19 Epidemics on Twitter”. IJID (International Journal on Informatics for Development) 10, no. 1 (June 22, 2021): 23–30. Accessed February 4, 2026. https://ejournal.uin-suka.ac.id/saintek/ijid/article/view/2400.