Jie Hong, Qian-yu Wu, Juan Guo, Rui-xue Guo, Yong-guang Bi. “Optimization of Ultrasonic-Enhanced Extraction of Tobacco Total Polysaccharides”. Design Engineering (September 29, 2020): 409 - 417. Accessed May 7, 2024. http://thedesignengineering.com/index.php/DE/article/view/678.