Kąkol C. Issuance of the European investigation order at the stage of a preparatory proceeding for the purpose of obtaining information constituting bank secrecy. IN [Internet]. 31 grudzień 2023 [cytowane 16 maj 2024];17(4 ENG):77-90. Dostępne na: https://iusnovum.lazarski.pl/iusnovum/article/view/1411