https://pub.norden.org/nord2020-001/#
https://blogs.lse.ac.uk/europpblog/2023/12/11/new-hopes-for-the-eu-enlargement-process/
https://carnegieeurope.eu/strategiceurope/90555
https://wiiw.ac.at/monthly-report-no-04-2024-dlp-6876.pdf