Pysarenko, Nadiia, Andriy Shkolyk, and Iryna Balakarieva. “The Principle of Ex Officio Investigation on the Administrative and Judicial Authorities”. Problems of legality, no. 159 (December 25, 2022): 6–27. Accessed April 19, 2024. http://plaw.nlu.edu.ua/article/view/269738.