FÉZER, T. The invalidity in the principles of European contract law – common cores and alternate ways. European Integration Studies, [S. l.], v. 18, n. 1, p. 84–92, 2023. DOI: 10.46941/2022.e1.84-92. Disponível em: https://ojs.uni-miskolc.hu/index.php/eis/article/view/2243. Acesso em: 20 máj. 2024.