Kozhedub, Yuliia, and Tetiana Lisnichenko. “Сollection, Processing, Use and Protection of Information in the Documents of High Social Significance”. Collection "Information Technology and Security" 4, no. 2 (December 31, 2016): 199–206. Accessed July 27, 2024. https://its.iszzi.kpi.ua/article/view/109923.