OSTROVSKA, Iryna. Hybrid threats to global security. Public Administration and Civil Service, Нур-Султан, Казахстан, n. 1 (76), p. 69–79, 2021. DOI: 10.52123/1994-2370-2021-76-1-63. Disponível em: https://journal.apa.kz/index.php/path/article/view/63. Acesso em: 7 dec. 2025.