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Barberá, Pablo, Tucker, Joshua A., Guess, Andrew, Vaccari, Cristian, Siegel, Alexandra, Sanovich, Sergey, Stukal, Denis and Nyhan, Brendan (2018) Social media, political polarization, and political disinformation: a review of the scientific literature. . William + Flora Hewlett Foundation, California, USA.
Barberá, Pablo, Vaccari, Cristian, Valeriani, Augusto, Jost, John T., Nagler, Jonathan and Tucker, Joshua A. (2016) Of echo chambers and contrarian clubs: exposure to political disagreement among German and Italian users of Twitter. Social Media + Society, 2 (3). pp. 1-24. ISSN 2056-3051
Barberá, Pablo, Vaccari, Cristian, Valeriani, Augusto, Bonneau, Richard, Jost, John T., Nagler, Jonathan and Tucker, Joshua A. (2015) Political expression and action on social media: exploring the relationship between lower- and higher-threshold political activities among Twitter users in Italy. Journal of Computer-Mediated Communication, 20 (2). pp. 221-239. ISSN 1083-6101
Vaccari, Cristian (2014) Most political parties completely fail to respond to email enquiries, wasting an opportunity for politicians to reconnect with voters online. Democratic Audit Blog (10 Jun 2014). Website.