Shivaprasad, H.N., and Salma Khanam. “HPLC Analysis of Polyphenols in Green Tea Extracts”. Asian Journal of Chemistry 18, no. 2 (March 30, 2010): 877–881. Accessed November 29, 2024. https://asianpubs.org/index.php/ajchem/article/view/21055.