https://corporateeurope.org/en/2020/10/facebook-friends-lobby-consultants
https://www.ned.org/wp-content/uploads/2023/07/NED_FORUM-Countering-Authoritarian-Efforts-Report_Final.pdf
https://www.socialeurope.eu/constitutional-moments-chile-and-iceland
https://www.cesifo-group.de/DocDL/ifoDD_18-01_29-31_Achten.pdf