., Saisa, Husni Husin, and Mahidin . “Organosolv Pretreatment Process and Hydrolysis Acid Conversion Oil Palm Frond (OPF) As Bioetanol Raw Material”. International Journal of Engineering & Technology 7, no. 4 (May 11, 2019): 6063–6065. Accessed December 22, 2024. https://sciencepubco.com/index.php/ijet/article/view/19539.