A Combined Approach of Web Content Mining and Neural Networks for Predicting the societal impact of covid-19 through twitter. Journal of Pharmaceutical Negative Results, [S. l.], p. 58–74, 2022. DOI: 10.47750/pnr.2022.13.S06.008. Disponível em: https://pnrjournal.com/index.php/home/article/view/1624.. Acesso em: 4 jun. 2026.