WASET
    Ε. Giovanis,  A Study of Neuro-Fuzzy Inference System for Gross Domestic Product Growth Forecasting.   journal   = {International Journal of Mechanical and Industrial Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2010, vol. 40(4). 458 - 463
    [viewed 17 April 2024]. Available from: https://publications.waset.org/pdf/15218.