V. Yakoviyk, Ivan, Denys A. Chyzhov, Nina I. Karpachova, Svitlana V. Hlushchenko, and Yuliia O. Chaliuk. “National Security Policy in Ukraine: A Change in the System of Power Relations of the Modern World”. Revista San Gregorio 1, no. 42 (December 17, 2020). Accessed May 19, 2024. http://revista.sangregorio.edu.ec/index.php/REVISTASANGREGORIO/article/view/1555.