https://www.socialeurope.eu/poland-crossroads-authoritarianism-democracy
https://publications.parliament.uk/pa/ld201719/ldselect/ldppdm/106/106.pdf
https://images.transparencycdn.org/images/2019_CPI_Report_EN_200331_141425.pdf
https://es.insightcrime.org/noticias/balance-insight-crime-incautaciones-cocaina-2022/