VELYCHKO, Maryna. “Psychological Causes and Preventive Measures of the Emergence of Mobbing in the Educational Environment”. EUROPEAN HUMANITIES STUDIES: State and Society 18, no. 2 (June 27, 2019): 113–124. Accessed July 22, 2026. https://ehs.eeipsy.org/index.php/ehs/article/view/99.