Said-Hung, E., e C. Arcila-Calderón. “Online Opinion Leaders in Latin America and the Middle East: The Case of the Top 20 Most-Viewed Twitter Users”. Informação &Amp; Sociedade, vol. 23, nº 3, janeiro de 2014, https://periodicos.ufpb.br/index.php/ies/article/view/17818.