
https://www.institute.global/insights/geopolitics-and-security/windsor-framework-what-has-been-agreed-and-what-it-means-northern-ireland-protocol

http://www.dw.com/en/turkey-eu-relations-which-countries-are-for-or-against-turkish-accession/a-40381533

https://www.ifw-kiel.de/fileadmin/Dateiverwaltung/IfW-Publications/-ifw/Kiel_Working_Paper/2022/KWP_2218_Which_countries_help_Ukraine_and_how_/KWP_2218_Trebesch_et_al_Ukraine_Support_Tracker.pdf