L. Melecký,  Assessment of EU Competitiveness Factors by Multivariate Methods.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2013, vol. 78(6). 1709 - 1715
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/4846.