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2. Apuzzo M.2016. “Who Will Become a Terrorist? Research Yields Few Clues. March 27.https://www.nytimes.com/2016/03/28/world/europe/mystery‐about‐who‐will‐become‐a‐terrorist‐defies‐clear‐answers.html
3. “Terrorism, Communication and New Media: Explaining Radicalization in the Digital age;Archetti C.;Perspectives on Terrorism,2015