https://ep00.epimg.net/descargables/2018/05/24/bfe9a6898e6b41480fd9d57aff93bc10.pdf
https://onlinelibrary.wiley.com/doi/epdf/10.1111/1467-923X.13172
https://www.lse.ac.uk/ideas/Assets/Documents/reports/LSE-IDEAS-The-Rise-of-Insurgent-Europeanism.pdf
https://www.project-syndicate.org/commentary/three-goals-to-guide-european-union-renewal-by-emmanuel-macron-2019-03/french