1. About Hungary. 2023. “FM: Government Will Not Approve Next EPF Tranche Unless OTP Removed from Blacklist.” About Hungary. https://abouthungary.hu/news-in-brief/fm-government-will-not-approve-next-epf-tranche-unless-otp-removed-from-blacklist.
2. Differentiated cooperation as the mode of governance in EU foreign policy
3. Explainer: What are the Security Deals Ukraine is Signing with Allies?;Balmforth T.;Reuters,2024
4. Germany, Hungary Spar as Tensions Mount Over Blocked Ukraine Aid;Barigazzi J.;Politico,2023
5. Differentiation and Segmentation