Bakhtyar, B., Tarek Kacemi, and Md Atif Nawaz. “A Review on Carbon Emissions in Malaysian Cement Industry”. International Journal of Energy Economics and Policy 7, no. 3 (July 18, 2017): 282–286. Accessed April 26, 2024. https://www.econjournals.com/index.php/ijeep/article/view/4759.