Karpiuk, Mirosław. “Recognizing an Entity As an Operator of Essential Services and Providing Cybersecurity at the National Level”. PRAWO i WIĘŹ, no. 4 (42) (January 25, 2023): 166–179. Accessed June 7, 2025. https://prawoiwiez.edu.pl/index.php/piw/article/view/524.