Alsaedi, Yasir, et al. “Application of ARIMA Modelling for the Forecasting of Solar, Wind, Spot and Options Electricity Prices: The Australian National Electricity Market”. International Journal of Energy Economics and Policy, vol. 9, no. 4, June 2019, pp. 263-72, https://econjournals.com./index.php/ijeep/article/view/7785.