Balwicka-Szczyrba, Małgorzata. “‘Concordat Marriage’ 20 Years After the Amendment of the Family and Guardianship Code”. LAW & SOCIAL BONDS, no. 30 (January 10, 2020): 17–29. Accessed October 14, 2026. https://www.prawoiwiez.edu.pl/index.php/piw/article/view/69.