1. CHERNIAVSKYI, Serhiy; TATAROV, Oleh; ALIEKSIEIEVA-PROTSIUK, Diana. 2013. The use of information of telecommunications operators and providers, their transport telecommunications networks, during the investigation of crimes: a guidance. National Academy of Internal Affairs, Ukraine.
2. COUNCIL OF EUROPE. 2011. Opinion on the Draft Criminal Procedure Code of Ukraine, DG-I (2011) 16: ENG – UKR. Available online. in: https://rm.coe.int/CoERMPublicCommonSearchServices/DisplayDCTMContent?documentId=09000016802e707c. Date of consultation: 14/09/2020.
3. DENYSENKO, Mykola. 2017. “Historical development of the system of normative regulation of covert investigative (search) actions” In: Scientific Bulletin of Dnipropetrovsk State University of Internal Affairs. No.1, pp. 310-323.
4. HAHACH, Vitalii. 2017. “Prosecutorial supervision in the form of procedural guidance in conducting audio and video surveillance of the person” In: Bulletin of Kharkiv National University of Internal Affairs. Special Issue, No. 1, pp. 42-50.
5. HARFIELD, Clive. 2010. “The governance of covert investigation”. In: Melbourne University Law Review. No. 34, pp. 773-804.