CZUBIK, Paweł. Evolution of Foreign Service Activities in Treaties and National Legislation. In: Changes in the Structure and Scope of Foreign Service Activity. Miskolc–Budapest: Studies of the Central European Professors’ Network,2026. p. 21–66. DOI: 10.54237/profnet.2026.pccssfsa_1. Disponível em: https://books.ceapublishing.hu/index.php/ceaprofnet/catalog/book/71/chapter/783. Acesso em: 11 nov. 2026.