WASET
    Ε. Giovanis,  Application of Adaptive Network-Based Fuzzy Inference System in Macroeconomic Variables Forecasting.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2010, vol. 40(4). 437 - 444
    [viewed 09 May 2024]. Available from: https://publications.waset.org/pdf/13229.