PIECZONKA, P. Principles of interpretation of collective agreements within the meaning of Art. 9 of the Labor Code and other labor law agreements. Studia Iuridica Toruniensia, [S. l.], v. 31, n. 2, p. 311–333, 2023. DOI: 10.12775/SIT.2022.039. Disponível em: https://apcz.umk.pl/SIT/article/view/38680. Acesso em: 29 jun. 2024.