RAFAJ, Oliver. The Effect of Human Capital on the Output of Slovak Urban Regions. - Registrovaný: Scopus. In Scientific papers of the University of Pardubice. - Pardubice : Fakulta ekonomicko-správní Univerzity Pardubice, 2020. ISSN 1211-555X, 2020, vol. 28, no. 4, s. 1-10 online. VEGA 1/0774/19.