https://www.bruegel.org/system/files/2024-05/WP%2012%202024_0.pdf
https://www.aspistrategist.org.au/the-eu-needs-fiscal-union/
http://visegradinsight.eu/app/uploads/2019/11/EaP-2030-Trends.pdf
https://www.adb.org/sites/default/files/publication/754716/nonperforming-loans-asia-europe-causes-impacts.pdf