SÁNDOR, Lénárd. The Idea of a ‘Gradual Enlargement’ Process. In: PETR, Michal (ed.). EU Enlargement and Successful Integration: Is There a Way?. Miskolc–Budapest: Studies of the Central European Professors’ Network,2026. p. 529–559. DOI: 10.54237/profnet.2026.mpeesiitw_IV.5. Disponível em: https://books.ceapublishing.hu/index.php/ceaprofnet/catalog/book/68/chapter/756. Acesso em: 23 oct. 2026.