
http://www.cer.org.uk/sites/default/files/insight_JS_9.5.17.pdf

https://www.politico.eu/article/eu-court-upholds-320-million-fine-against-poland-violating-rule-of-law/

https://humanrightsmeasurement.org/measuring-what-matters-a-new-database-to-track-human-rights-performance/