Noivo, Diogo. “Autoritarismo, Identidade E Terror: As Causas Da Violência Etarra”. Political Observer | Revista Portuguesa de Ciência Política (Portuguese Journal of Political Science), no. 11 (September 18, 2019): 83–99. Accessed October 27, 2025. https://rpcp.pt/index.php/rpcp/article/view/44.