Souhir Ben Amor and  Heni Boubaker and  Lotfi Belkacem,  Forecasting Electricity Spot Price with Generalized Long Memory Modeling: Wavelet and Neural Network.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2017, vol. 129(9). 2307 - 2323
    [viewed 04 April 2020]. Available from: https://publications.waset.org/pdf/10008468.