https://www.bruegel.org/sites/default/files/2022-09/PC%2015%202022_0.pdf
https://ep00.epimg.net/descargables/2018/05/24/bfe9a6898e6b41480fd9d57aff93bc10.pdf
https://www.linkiesta.it/2022/08/sandro-gozi-intervista-renew-italia/
https://www.brookings.edu/articles/what-is-at-stake-in-polands-election/