https://theconversation.com/la-paradoja-de-la-abundancia-como-se-explica-que-un-pais-rico-en-recursos-no-genere-crecimiento-economico-207778
https://www.acams.org/en/media/document/russia-sanctions-evasion-key-methods-and-techniques-part-2
https://www.fsb.org/wp-content/uploads/P131020-1.pdf