HITKA, Miloš et al. Knowledge and human capital as sustainable competitive advantage in human resource management. In Sustainability [elektronický zdroj]. ISSN 2071-1050, 2019, vol. 11, issue 18, art. no. 4985 [18 p.] [online]. APVV-16-0297 ; VEGA 1/0024/17 ; VEGA 019UCM-1/0720/19 ; APVV-17-0656. CCC, WOS, SCOPUS. Dostupné na internete: <https://www.mdpi.com/2071-1050/11/18/4985/htm>