https://www.socialeurope.eu/ukraine-war-zelenskyys-very-risky-move
https://rusi.org/explore-our-research/publications/commentary/will-2023-be-end-international-sanctions/
https://dgap.org/system/files/article_pdfs/dgap-report-2023-01-EN-Rethinking%20EUs%20Eastern%20Enlargement_0.pdf