PERTIWI, A.; TRIAYUDI, A.; HANDAYANI, E. T. E. Sentiment Analysis of the Impact of Covid-19 on Indonesia’s Economy through Social Media Using the ANN Method: Sentiment Analysis of the Impact of Covid-19 on Indonesia’s Economy through Social Media Using the ANN Method. Jurnal Mantik, [S. l.], v. 4, n. 1, p. 605-612, 2020. Disponível em: https://iocscience.org/ejournal/index.php/mantik/article/view/789. Acesso em: 18 jun. 2026.