SPIRIDONOV, A. Concept of information flow analysis technology within OSINT operations in instant messaging systems. Problems of Informatization and Control, [S. l.], v. 2, n. 86, p. 134–145, 2026. DOI: 10.18372/2073-4751.86.21282. Disponível em: http://jrnl.kai.edu.ua/index.php/PIU/article/view/21282. Acesso em: 13 jun. 2026.