EFRILIANDA, D. A.; DIANTI, E. N.; KHOIRUNNISA, . O. G. Analysis of twitter sentiment in COVID-19 era using fuzzy logic method. Journal of Soft Computing Exploration, [S. l.], v. 2, n. 1, p. 1-5, 2021. DOI: 10.52465/joscex.v2i1.12. Disponível em: https://www.shmpublisher.com/index.php/joscex/article/view/12. Acesso em: 21 may. 2025.