https://www.nece-conference.eu/wp-content/uploads/2020/10/NECE-Declaration-final-26102020.pdf
https://www.brookings.edu/blog/fixgov/2022/09/23/why-federalism-has-become-risky-for-american-democracy/?utm_campaign=Brookings%20Brief&utm_medium=email&utm_content=227126255&utm_source=hs_email
https://www.governo.it/it/articolo/intervento-del-presidente-draghi-al-meeting-di-rimini/20424
https://www.ipg-journal.de/regionen/global/artikel/detail/fatales-ungleichgewicht-4473/