Devianti VA, Arifiyana D. Analysis of the Quality of Waste Cooking Oil Resulted from Rejuvenation Using Raja Nangka Banana Peel Adsorbent with Variations in Mass of Adsorbent and Length of Adsorption Time. Walisongo J. Chem. [Internet]. 2023 Dec. 15 [cited 2025 Nov. 3];6(2):181-7. Available from: https://journal.walisongo.ac.id/index.php/wjc/article/view/18020