https://www.bti-project.org/en/data/rankings/status-index/
https://www.cer.eu/sites/default/files/pbrief_LS_turkish_elections_29.3.23.pdf
https://theconversation.com/los-cuatro-desafios-de-una-legislatura-altamente-inflamable-en-espana-217758
https://visegradinsight.eu/perfect-storm-covid19-eurosceptic-poland-hungary/