POPOVIĆ, Dejan. The challanges students are facing in the 21st century. The European Journal of Applied Economics, [S. l.], v. 11, n. 1, 2014. DOI: 10.5937/ejae11-5973. Dostupno na: https://asistent.ceon.rs/index.php/sjas/article/view/5973. Pristupljeno: 12 jul. 2026.