From ‘Visegrad Four’ to ‘Varna Four’: The rise and role of regional cooperation in Central and South Eastern Europe

Janulewicz, Łukasz A.Jozwiak, VeronikaKuusik, PiretMerheim-Eyre, IgorRotaru, VasileStuchlikova, ZuzanaVégh, Zsuzsanna2022-03-292018https://hdl.handle.net/20.500.14018/12587engFrom ‘Visegrad Four’ to ‘Varna Four’: The rise and role of regional cooperation in Central and South Eastern EuropeOther