Palka О., StankoА., ShymchukН., and Herasymchuk О. “Preventing the Spread of Coronavirus Infection in "Smart cities". ”. COMPUTER-INTEGRATED TECHNOLOGIES: EDUCATION, SCIENCE, PRODUCTION, no. 42, Mar. 2021, pp. 79-88, doi:10.36910/6775-2524-0560-2021-42-12.