PETRESKI, Drage T.; ILIEV, Andrej P.; PETRESKA, Aleksandra D. Introduction of the unified communications information system E-112. Vojnotehnički glasnik / Military Technical Courier, [S. l.], v. 63, n. 2, p. 131–145, 2014. DOI: 10.5937/vojtehg63-6818. Dostupno na: https://asistent.ceon.rs/index.php/vtg/article/view/6818. Pristupljeno: 12 jul. 2026.