Sobczyk, Paweł. “Introduction”. In Content of the Right to Parental Responsibility: Experiences – Analyses – Postulates, edited by Paweł Sobczyk, 11–12. Miskolc–Budapest: Studies of the Central European Professors’ Network, 2022. Accessed August 3, 2025. https://books.ceapublishing.hu/index.php/ceaprofnet/catalog/book/26/chapter/216.