KOBUSZEWSKI, Bartosz. Sickness absence during the COVID-19 pandemic. Journal of Education, Health and Sport, [S. l.], v. 11, n. 11, p. 11–24, 2021. DOI: 10.12775/JEHS.2021.11.11.001. Disponível em: https://apcz.umk.pl/JEHS/article/view/35919. Acesso em: 18 dec. 2025.