https://www.socialeurope.eu/2017/06/the-case-for-an-investment-state/
https://www.lobbycontrol.de/wp-content/uploads/LobbyControl-Jahresbericht_21-22-220701-web.pdf
https://insightcrime.org/es/noticias/corrupcion-policial-pone-riesgo-juicio-narcotrafico-espana/
https://index.baselgovernance.org/ranking