Sarpong-Streetor, R. M. N. Y., Sokkalingam, R. A., Othman, M. bin, Ching, D. L. C., & Sakidin, H. bin. (2019). A Hybrid Autoregressive Integrated Moving Average-phGMDH Model to Forecast Crude Oil Price. International Journal of Energy Economics and Policy, 9(5), 135–141. Retrieved from https://econjournals.com/index.php/ijeep/article/view/7987