Korobeinikova, Tetiana, and Ihor Pustovit. “ANALYSIS OF MODERN DOCUMENT SYSTEMS”. Sworld-Us Conference proceedings 1, no. usc09-01 (January 30, 2022): 20–23. Accessed April 26, 2024. https://www.proconference.org/index.php/usc/article/view/usc09-01-020.