Vashchenko I, Stadnyk A, Poltavskyi E. PREREQUISITES OF ARMED AGGRESSION BY THE RUSSIAN FEDERATION AGAINST UKRAINE: FROM HYBRID OPPOSITION TO LARGE-SCALE ARMED INVASION. HaL [Internet]. 2023Dec.28 [cited 2026Feb.28];4(87):61-6. Available from: https://chiz.nangu.edu.ua/article/view/295130