NAUMKINA, O. COVID-19 PANDEMIC: DIRECTED OR NATURAL FLUCTUATION THAT CHANGES THE WORLD. Skhid, [S. l.], v. 1, n. 1, p. 31–35, 2021. DOI: 10.21847/1728-9343.2021.1(1).225283. Disponível em: http://skhid.kubg.edu.ua/article/view/225283. Acesso em: 25 sep. 2022.