JAKAB, Nóra (ED.). Sustainability Of The Social Security System: Demographic Challenges and Answers in Central Europe. [s.l.] : Legal Studies on Central Europe,2023. DOI: 10.54171/2023.nj.sotsss. Disponível em: https://books.ceapublishing.hu/index.php/lsce/catalog/book/33. Acesso em: 3 aug. 2025.