The Clash of Influencers: COVID-19 Pandemic in the Echo Chambers of Bulgarian “Facebook”. Annual of Sofia University “St. Kliment Ohridski”. Faculty of Journalism and Mass Communication, [S. l.], v. 29, n. 1, 2025. DOI: 10.60060/fjmc.v29i1.1341. Disponível em: https://annual.uni-sofia.bg/index.php/fjmc/article/view/1341. Acesso em: 14 dec. 2025.