
https://www.nao.org.uk/wp-content/uploads/2022/05/Regulating-after-EU-Exit.pdf

http://institutdelors.eu/wp-content/uploads/2018/03/Quelleambitionpourlautorit%C3%A9europ%C3%A9ennedutravail-Fernandes-mars18.pdf

https://economiesuisse.ch/sites/default/files/publications/swisscode_e_web_0.pdf