Mkrtchyan, K. A., Yamnenko, T. M., Holovan, T. G. y Zhdan, M. D. (2020) «Improvement of organizational measures to ensure public security and order during the mass events by the National Police of Ukraine», Amazonia Investiga, 9(26), pp. 167–173. doi: 10.34069/AI/2020.26.02.18.