НЕЧАЄВ, О. О. Methods of detecting and analysis criminal networks based on billing information of cellular mobile operator. Ukrainian Scientific Journal of Information Security, [S. l.], v. 21, n. 3, p. 236–244, 2015. DOI: 10.18372/2225-5036.21.9686. Disponível em: http://jrnl.kai.edu.ua/index.php/Infosecurity/article/view/9686. Acesso em: 13 jun. 2026.