Miftahul Jannah, Asyeni, and Faisol Asip. “Bioethanol Production from Coconut Fiber Using Alkaline Pretreatment and Acid Hydrolysis Method”. International Journal on Advanced Science, Engineering and Information Technology 5, no. 5 (October 16, 2015): 320–322. Accessed June 3, 2024. http://ijaseit.insightsociety.org/index.php/ijaseit/article/view/570.