DROZDEK, Adam. CN Code as a Legal and Tax Standard . Acta Universitatis Lodziensis. Folia Iuridica, Poland, v. 97, p. 87–100, 2021. DOI: 10.18778/0208-6069.97.04. Disponível em: https://czasopisma.uni.lodz.pl/Iuridica/article/view/10175. Acesso em: 8 aug. 2026.