Thi Tuyet Mai Phan, and Thi Sen Ngo. “Pectin and Cellulose Extraction from Passion Fruit Peel Waste”. Vietnam Journal of Science, Technology and Engineering 62, no. 1 (March 15, 2020): 32-37. Accessed April 26, 2025. https://vietnamscience.vjst.vn/index.php/vjste/article/view/138.