Al Taff University-College, Research Center for Trophy and Perspective Weapons and Military Equipment, Taras Shevchenko National University of Kyiv, Poltava State Agrarian University, Poltava State Agrarian University, Poltava State Agrarian University, Poltava State Agrarian Academy, Military Institute of Telecommunications and Information Technologies named after Heroes of Kruty, Military Institute of Telecommunications and Information Technologies named after Heroes of Kruty and Military Institute of Telecommunications and Information Technologies named after Heroes of Kruty