Zhang, Jing, Ke Yuan, Wen-Long Zhou, Jian Zhou, and Ping Yang. “Antioxidant Activity of Ethanol Extracts from Tridax Procumbens”. Asian Journal of Chemistry 24, no. 1 (September 30, 2011): 58–62. Accessed November 25, 2024. https://asianpubs.org/index.php/ajchem/article/view/15939.