S. Choojit, S. Chansiriphota, and K. Phiboon, “The Optimization of Ethanol Production from Oil Palm Empty Fruit Bunches Hydrolysate by Using a Statistical Experimental Design”, ijie, vol. 12, no. 2, pp. 261–270, Mar. 2020, Accessed: Jul. 23, 2024. [Online]. Available: https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/3293