Eleftherios Giovanis,  Application of Adaptive Neuro-Fuzzy Inference System in the Prediction of Economic Crisis Periods in USA.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2010, vol. 43(7). 1715 - 1720
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/7444.