Ojugo, Arnold Adimabua, and Oghenevwede Debby Otakore. 2020. “Investigating The Unexpected Price Plummet And Volatility Rise In Energy Market: A Comparative Study of Machine Learning Approaches”. Quantitative Economics and Management Studies 1 (3), 219-29. https://doi.org/10.35877/454RI.qems12119.