Yelchenkov V, Smyrnov O. MODERN APPROACHES TO CLASSIFICATION OF THE SECURITY THREAT OF INFORMATION OF OBJECTS OF INFORMATION ACTIVITIES OF THE NATIONAL GUARD OF UKRAINE. HaL [Internet]. 2020Aug.4 [cited 2026Apr.24];73(2 (73):27-32. Available from: https://chiz.nangu.edu.ua/article/view/207141