https://rsf.org/en/ranking/2019
https://www.foreignaffairs.com/western-europe/problem-child-europe
https://www.mckinsey.com/~/media/McKinsey/Industries/Public%20and%20Social%20Sector/Our%20Insights/The%20social%20contract%20in%20the%2021st%20century/MGI-The-social-contract-in-the-21st-century-Full-report-final.pdf
https://theconversation.com/por-que-colombia-ve-la-legalizacion-de-las-drogas-como-el-camino-a-seguir-221423