OLEJNICZAK, Adam. Law of obligations in Poland: Selected issues. Pravovedenie, [S. l.], v. 65, n. 1, p. 62–75, 2021. DOI: 10.21638/spbu25.2021.104. Disponível em: https://pravovedenie.spbu.ru/article/view/13315. Acesso em: 15 jan. 2025.