Petr, Michal. “Introduction”. In EU Enlargement and Successful Integration: Is There a Way?, edited by Michal Petr, 317–319. Miskolc–Budapest: Studies of the Central European Professors’ Network, 2026. Accessed October 23, 2026. https://books.ceapublishing.hu/index.php/ceaprofnet/catalog/book/68/chapter/746.