Biao Zheng, Sheng, Jing Tang, Jin-Kun Zhu, Zi-Rong Li, and Jian-Fei Wang. “Simultaneous Determination of Total Flavonoids and Organic Acids in Chrysanthemum by UV-Visible Spectrophotometry”. Asian Journal of Chemistry 26, no. 19 (September 18, 2014): 6409–6413. Accessed November 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/26_20_23.