RECUERO, R.; SOARES, F.; ZAGO, G. Polarization, Hyperpartisanship and Echo Chambers: How the disinformation about Covid-19 circulates on Twitter. SciELO Preprints, 2020. DOI: 10.1590/SciELOPreprints.1154. Disponível em: https://preprints.scielo.org/index.php/scielo/preprint/view/1154. Acesso em: 24 sep. 2023.