Ridzuan, Abdul Rahim, Noraina Mazuin Sapuan, Nur Hayati Abd Rahman, Halimahton Borhan, and Azhana Othman. “The Impact of Corruption on Environmental Quality in the Developing Countries of ASEAN–3: The Application of the Bound Test”. International Journal of Energy Economics and Policy 9, no. 6 (October 4, 2019): 469–478. Accessed April 19, 2024. https://www.econjournals.com/index.php/ijeep/article/view/8135.