Simanjuntak, Tigor Nirman, and Setia Pramana. “Sentiment Analysis on Overseas Tweets on the Impact of COVID-19 in Indonesia”. Indonesian Journal of Statistics and Its Applications 5, no. 2 (June 30, 2021): 304–313. Accessed March 29, 2024. https://journal.stats.id/index.php/ijsa/article/view/819.