Ojugo, Arnold Adimabua, and Oghenevwede Debby Otakore. “Investigating The Unexpected Price Plummet And Volatility Rise In Energy Market: A Comparative Study of Machine Learning Approaches”. Quantitative Economics and Management Studies, vol. 1, no. 3, June 2020, pp. 219-2, doi:10.35877/454RI.qems12119.