Demuthova, Slavka, and Andrej Demuth. “Changes in the Level of Depressivity in Self-Harming Adolescents After the First Wave of the COVID-19 Pandemic”. European Journal of Behavioral Sciences 4, no. 3 (December 20, 2021): 6–13. Accessed October 8, 2025. https://www.dpublication.com/journal/EJBS/article/view/596.