Tsyhanov, O., Chumachenko, I., Panova, I. and Golub, M. 2020. Public Policy in the Sphere of Activity of the Ministry of Internal Affairs of Ukraine: Approaches to Determining the Essence and Content. Amazonia Investiga. 9, 28 (Apr. 2020), 159–165. DOI:https://doi.org/10.34069/AI/2020.28.04.19.