Desniorita, -, Novizar Nazir, - Novelina, and Kesuma Sayuti. “Sustainable Design of Biorefinery Processes on Cocoa Pod: Optimization of Pectin Extraction Process With Variations of PH, Temperature, and Time”. International Journal on Advanced Science, Engineering and Information Technology 9, no. 6 (December 30, 2019): 2104–2113. Accessed June 2, 2024. http://ijaseit.insightsociety.org/index.php/ijaseit/article/view/10670.