STRADIOTOVÁ, E.; NEMETHOVA, I. .; STEFANCIK, R. . COMPARISON OF ON-SITE TESTING WITH ONLINE TESTING DURING THE COVID-19 PANDEMIC. Advanced Education, [S. l.], v. 8, n. 17, p. 73–83, 2021. DOI: 10.20535/2410-8286.229264. Disponível em: http://ae.fl.kpi.ua/article/view/229264. Acesso em: 19 sep. 2021.