https://www.emcdda.europa.eu/system/files/publications/13238/TD0420439FRN.pdf
https://www.oecd.org/corruption/anti-bribery/Switzerland-Phase-4-Report-ENG.pdf
https://ecipe.org/wp-content/uploads/2020/07/ECI_20_OccPaper_04_2020_LY05.pdf
https://www.admin.ch/gov/fr/accueil/documentation/communiques.msg-id-90662.html