Usman, Mustofa, M. Komarudin, Nurhanurawati Nurhanurawati, Edwin Russel, Wamiliana Wamiliana, and Faiz A.M Elfaki. “Analysis Forecasting of Gasoline Prices in Some ASEAN Countries by Using State Space Representation on Vector Autoregressive Model”. International Journal of Energy Economics and Policy 13, no. 6 (November 10, 2023): 194–202. Accessed June 30, 2024. https://econjournals.com/index.php/ijeep/article/view/14893.