
https://www.socialeurope.eu/2017/06/eurozones-hidden-strength/

https://ukandeu.ac.uk/wp-content/uploads/2020/10/UK-internal-Market-Bill-devolution-and-the-union.pdf

https://www.nbs.rs/export/sites/NBS_site/documents-eng/mediji/govori/JT_KBF_20230306_eng.pdf