
https://ecipe.org/wp-content/uploads/2023/04/ECI_23_OccasionalPaper_02-2023_LY04.pdf?_gl=1*1wcezzg*_ga*Mjc5MzQwNDM3LjE2ODEzMTkyMzk.*_up*MQ..*_ga_T9CCK5HNCL*MTY4MTMxOTIzOS4xLjAuMTY4MTMxOTIzOS4wLjAuMA..

http://ec.europa.eu/anti-fraud/media-corner/news/31-05-2017/olaf-2016-leading-way-combatting-fraud-through-large-transnational_en

https://theconversation.com/ampliacion-o-profundizacion-de-la-union-europea-227125