Ma’ruf, Anwar, Agus Mulyadi Purnawanto Purnawanto, and Rizka Rimatunnisa. 2023. “The Synthesis of Cellulose Acetate from Rice Husk Cellulose by Ultrasound-Assisted Acetylation”. BioResources 18 (3):4688-98. https://ojs.bioresources.com/index.php/BRJ/article/view/22367.