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Halpern, Daniel; Gibbs, Jennifer (2013-05-01). "Social media as a catalyst for online deliberation? Exploring the affordances of Facebook and YouTube for political expression". Computers in Human Behavior. 29 (3): 1159–1168. doi:10.1016/j.chb.2012.10.008. ISSN0747-5632.
Eveland, William P; Hively, Myiah Hutchens (2009-06-01). "Political Discussion Frequency, Network Size, and "Heterogeneity" of Discussion as Predictors of Political Knowledge and Participation". Journal of Communication. 59 (2): 205–224. doi:10.1111/j.1460-2466.2009.01412.x. ISSN0021-9916.
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