BEREŠ, Paun J. Heuristics legislation in the field of classified information as a function of training subjects of defense. Vojnotehnički glasnik / Military Technical Courier, [S. l.], v. 62, n. 2, p. 121–135, 2013. DOI: 10.5937/vojtehg62-4696. Dostupno na: https://asistent.ceon.rs/index.php/vtg/article/view/4696. Pristupljeno: 12 jul. 2026.