Truba, Roman, Serhii Kozin, Anatolii Vykhrystiuk, Dmytro Kuzmenko, and Maryna Bulkat. “Features of the Actors Ensuring National Security of Ukraine”. Amazonia Investiga 12, no. 72 (December 30, 2023): 69–79. Accessed September 26, 2025. https://www.amazoniainvestiga.info/index.php/amazonia/article/view/2611.