Us, Olha, Oksana Brusakova, Svitlana Nischymna, and Oksana Panova. 2021. “Ukraine and it’s Conformity in Application With International Standard for Preventing the Spread of Narcotic Drugs”. Revista San Gregorio 1 (46). https://doi.org/10.36097/rsan.v1i46.1765.