https://www.emcdda.europa.eu/publications/eu-drug-markets/cocaine/production_en
https://theconversation.com/la-paradoja-de-la-abundancia-como-se-explica-que-un-pais-rico-en-recursos-no-genere-crecimiento-economico-207778
https://ec.europa.eu/epsc/sites/epsc/files/epsc_brief_passerelles_2.pdf?utm_source=POLITICO.EU&utm_campaign=042aa4f2be-EMAIL_CAMPAIGN_2019_01_16_02_43&utm_medium=email&utm_term=0_10959edeb5-042aa4f2be-190380769
https://www.scss.tcd.ie/Doug.Leith/Android_privacy_report.pdf