V. Yakoviyk, I., A. Chyzhov, D., I. Karpachova, N., V. Hlushchenko, S., & O. Chaliuk, Y. (2020). National security policy in Ukraine: a change in the system of power relations of the modern world. Revista San Gregorio, 1(42). https://doi.org/10.36097/rsan.v1i42.1555