Wantoch-Rekowski J, Brzezicki T. The possibility of amending an interpretative decision issued by ZUS – comments "de lege lata" and "de lege ferenda". sp [Интернет]. 20 декабрь 2024 г. [цитируется по 12 декабрь 2025 г.];(4):133-45. доступно на: https://czasopisma.kul.pl/index.php/sp/article/view/16957