Andrieiev, Sergey, Volodymyr Zhilin, and Anastasiia Sabadosh. “Application of Geoinformation Technologies for Organizing Passenger Traffic at Airports in Conditions of Quarantine Zoning”. Advanced Information Systems 5, no. 2 (June 22, 2021): 58–77. Accessed January 22, 2025. http://ais.khpi.edu.ua/article/view/234980.