Saudi, Mohd Haizam Mohd, Obsatar Sinaga, and Noor H. Jabarullah. 2018. “The Role of Renewable, Non-Renewable Energy Consumption and Technology Innovation in Testing Environmental Kuznets Curve in Malaysia”. International Journal of Energy Economics and Policy 9 (1):299-307. https://www.econjournals.com/index.php/ijeep/article/view/7327.