
https://wiiw.ac.at/turkey-s-geo-economic-shift-an-opportunity-to-revitalise-eu-integration-amid-sanctions-dlp-7097.pdf

https://www.aspistrategist.org.au/is-the-europen-union-too-big-for-further-enlargement/

https://www.parlament.cat/document/cataleg/48146.pdf