Zakaria, Zukarnain, and Sofian Shamsuddin. “Causality Relationship Between Crude Oil Variables and Budget Variables in Malaysia”. International Journal of Energy Economics and Policy 7, no. 2 (April 14, 2017): 132–138. Accessed November 23, 2024. https://econjournals.com./index.php/ijeep/article/view/4187.