Skrypnyk, Andrii, and Ivan Titko. “Proportionality of Intervention and the Balance of Public and Private Interests in Covert Evidence Collection in Criminal Proceedings”. Theory and practice of jurisprudence 2, no. 26 (September 16, 2025): 161–181. Accessed November 18, 2025. http://tlaw.nlu.edu.ua/article/view/313485.