https://transparency.org.ru/special_posts/bottlelaundromat/en.php
https://rm.coe.int/fourth-evaluation-round-corruption-prevention-in-respect-of-members-of/1680a1963f
https://theconversation.com/es-rentable-ser-etico-en-la-empresa-234405
https://www.oecd.org/daf/anti-bribery/italy-phase-4-report.pdf