1. ABC. 2023. “La emocionante intervención del eurodiputado Paulo Rangel en la manifestación contra la amnistía en Madrid.” ABC España, 18.11.2023. Accessed November 26, 2023. https://www.abc.es/espana/emocionante-intervencion-eurodiputado-paulo-rangel-manifestacion-amnistia-20231118204242-nt.html.
2. “Multi-Level Structures, Coordination and Partisan Politics in Spanish Intergovernmental Relations.”;Comparative European Politics,2014
3. Angelucci, Davide, Pierangelo Isernia, Carlotta Mingardi, and Francesco Olmastroni. 2024. “Public Opinion and the European Foreign and Security Policy: Is There a Risk of Politicisation?” JOINT Research Papers, Istituto Affari Internazionali, No. 25: 2–34. https://www.iai.it/sites/default/files/joint_rp_25.pdf.
4. Auciello Estévez, Iván, and Pau Jovell Codina. 2021. “How COVID-19 Affected the Catalan Regional Elections.” BSE Voice, 6 July 2021. Accessed November 28, 2023. https://thevoice.bse.eu/2021/07/06/the-effect-of-covid-19-on-catalan-regional-elections/.