Azhar, Rialdi, Febryan Kusuma Wisnu, Fajrin Satria Dwi Kesuma, Widya Rizki Eka Putri, and Rian Andri Prasetya. “State-Space Implementation in Forecasting Carbon and Gas Prices in Commodity Markets”. International Journal of Energy Economics and Policy 12, no. 3 (May 18, 2022): 280–286. Accessed July 20, 2024. https://www.econjournals.com/index.php/ijeep/article/view/12894.