http://www.epc.eu/documents/uploads/pub_8839_19_11_ecc_web.pdf?doc_id=2065
https://transparency.eu/open-letter-to-the-european-commission-rrf/
https://theconversation.com/maduro-objetivo-silenciar-a-la-disidencia-228066
https://www.socialeurope.eu/wp-content/uploads/2018/12/SD_ProgressiveSociety-SustainableEquality.pdf