POKRAJAC, David D. Comments on the article “Monitoring COVID-19 is like instrument flying”. Vojnotehnički glasnik / Military Technical Courier, [S. l.], v. 69, n. 3, p. 727–733, 2021. DOI: 10.5937/vojtehg69-32707. Dostupno na: https://asistent.ceon.rs/index.php/vtg/article/view/32707. Pristupljeno: 12 jul. 2026.