VYHIVSKYI, I. ., and J. . ONDRIAŠ. “ROLE OF LAW ENFORCEMENT AGENCIES IN THE IMPLEMENTATION OF THE NATIONAL SECURITY STRATEGY IN UKRAINE (1991 – 2014)”. EAST EUROPEAN HISTORICAL BULLETIN, no. 34, Mar. 2025, pp. 135-4, doi:10.24919/2519-058X.34.324609.