Belcarz, Maria, and Sylwia Marczewska. “The Impact of the COVID-19 Pandemic on the Mental Health and Social Functioning of Healthcare Workers”. Journal of Education, Health and Sport 13, no. 4 (March 2, 2023): 319–324. Accessed June 28, 2025. https://apcz.umk.pl/JEHS/article/view/42664.