GRAJEK, Mateusz, KRUPA-KOTARA, Karolina and SOBCZYK, Karolina. Fear of COVID-19 among employees of large companies and vaccination against COVID-19 - a cross-sectional study (Silesia, Poland). Journal of Education, Health and Sport. Online. 10 September 2022. Vol. 12, no. 9, pp. 677-684. [Accessed 29 June 2025]. DOI 10.12775/JEHS.2022.12.09.080.