PROROKOVIĆ, Dušan. Geopolitical concepts: definition and importance. Napredak, [S. l.], v. 6, n. 2, 2025. DOI: 10.5937/napredak6-59153. Dostupno na: https://asistent.ceon.rs/index.php/napredak/article/view/59153. Pristupljeno: 12 jul. 2026.