WASET
    Marta Czyżewska and  Krzysztof Pancerz and  Jarosław Szkoła,  Towards Assessment of Indicators Influence on Innovativeness of Countries' Economies: Selected Soft Computing Approaches.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2014, vol. 86(2). 616 - 620
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/9998909.