Warsono, W., Russel, E., Wamiliana, W., Widiarti, W., & Usman, M. (2019). Modeling and Forecasting by the Vector Autoregressive Moving Average Model for Export of Coal and Oil Data (Case Study from Indonesia over the Years 2002-2017). International Journal of Energy Economics and Policy, 9(4), 240–247. Retrieved from https://econjournals.com/index.php/ijeep/article/view/7605