Some aspects of building the national cybersecurity system. Mathematical Machines and Systems, [S. l.], n. 2, p. 15–22, 2021. DOI: 10.34121/1028-9763-2021-2-15-22. Disponível em: https://www.j-mms.de/index.php/mms/article/view/2021-2-a2. Acesso em: 24 oct. 2026.