MACHNIAK, A. Counterintelligence prevention in the activities of the Internal Military Service. Journal of Humanities and Social Sciences, [S. l.], v. 8, n. 3, p. 62–77, 2018. DOI: 10.15584/johass.2018.3.4. Disponível em: https://journals.ur.edu.pl/jhss/article/view/219. Acesso em: 12 jun. 2025.