Xin, Wang, Zheng Xianzhe, and Liu Chenghai. “Optimization of Microwave-Assisted Extraction of Silymarin from Milk Thistle Seeds”. International Journal of Agricultural and Biological Engineering 1, no. 1 (September 5, 2008): 75–81. Accessed February 27, 2026. https://www.ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/15.