KĄKOL, Cezary. Issuance of the European investigation order at the stage of a preparatory proceeding for the purpose of obtaining information constituting bank secrecy. Ius Novum, Warszawa, Poland, v. 17, n. 4 ENG, p. 77–90, 2023. Disponível em: https://iusnovum.lazarski.pl/iusnovum/article/view/1411. Acesso em: 22 grudz. 2024.