Ioannis P. Panapakidis and  Marios N. Moschakis,  Comparison of Machine Learning Models for the Prediction of System Marginal Price of Greek Energy Market.   journal   = {International Journal of Energy and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2019, vol. 147(3). 148 - 152
    [viewed 12 November 2019]. Available from: https://publications.waset.org/pdf/10010164.