1. The impact of COVID-19 pandemic on public administration;Karshiev GAU;Int J Innov Engineer Res Tech,2021
2. The effect of face mask use on COVID-19 models;Bai F;Epidemiologia,2021
3. Advice on the use of masks in the community, during home care, and in health care settings in the context of COVID-19. interim guidance, 19 March 2020. (2020). Accessed: November 15, 2022: https://apps.who.int/iris/handle/10665/331493.
4. The effects of the face mask on the skin underneath: a prospective survey during the COVID-19 pandemic;Techasatian L;J Prim Care Community Health,2020
5. Guidelines for the selection and use of different types of masks for preventing new coronavirus infection in different populations 2020 | The State Council of the People's Republic of China. (2020). Accessed. November 15, 2022: http://www.gov.cn/xinwen/2020-02/05/content_5474774.htm.