Orlov ММ, Gonchar RО, Lysenko ОV. Characteristics of subversive and intelligence units of the states bordering with Ukraine as prospective objects of the Interior Troops intelligence in territorial defense. HaL [Internet]. 2019Jun.13 [cited 2026Mar.13];(2):19-25. Available from: https://chiz.nangu.edu.ua/article/view/143953