BEREZA, Arkadiusz; BIENIAK, Michał. The Principle of Freedom of Contract.The Approach to the Principle and its Location within the System of Polish Law in the 20th and 21st Centuries. PRAWO i WIĘŹ, Słupsk, v. 53, n. 6, 2025. DOI: 10.36128/PRIW.VI53.1137. Disponível em: https://prawoiwiez.edu.pl/index.php/piw/article/view/1137. Acesso em: 7 jun. 2025.