Lima, Cecília Almeida Rodrigues, Janaina de Holanda Costa Calazans, and Ivo Henrique Dantas. “(DIS)INFORMATION IN TWITTER ECHO CHAMBERS: Disputes over Chloroquine During the Covid-19 Pandemic”. Observatory Journal 6, no. 6 (October 1, 2020): a5pt. Accessed December 14, 2025. https://sistemas.uft.edu.br/periodicos/index.php/observatorio/article/view/9966.