LASZCZYNOWSKA, K. The Concept of the Penalty Clause in Polish and Spanish Law – A Comparison. Comparative Law Review, [S. l.], v. 24, p. 191–205, 2019. DOI: 10.12775/CLR.2018.007. Disponível em: https://apcz.umk.pl/CLR/article/view/CLR.2018.007. Acesso em: 6 dec. 2021.