FORTIFICATION OF PIROT’S POSITIONS AS THE CONSEQUENCE OF YUGOSLAV-BULGARIAN RELATIONSHIPS 1918-1941 . Heritage, [S. l.], v. 32, n. 58, 2022. DOI: 10.5937/bastina32-39822. Dostupno na: https://asistent.ceon.rs/index.php/bastina/article/view/39822. Pristupljeno: 12 jul. 2026.