Penkov, S. V., and V. V. Shendryk. “INTRODUCTION OF INTERNET TECHNOLOGIES IN THE ACTIVITIES OF THE NATIONAL POLICE OF UKRAINE TO OBTAIN OPERATIONAL-SEARCH INFORMATION”. Law and Safety, Vol. 65, no. 2, Oct. 2018, pp. 80-85, https://pb.univd.edu.ua/index.php/PB/article/view/83.