https://www.veblen-institute.org/Editorial-Assumer-l-impot
https://cthi.taxjustice.net/cthi2021/country-list.pdf
https://www.ilblogdellestelle.it/2020/02/la-mafia-va-contrastata-a-livello-europeo.html
https://www.socialeurope.eu/facing-europes-huge-challenges