ibrahim, Ruaa mohammed, and Zahraa Suhail Nassir. “Detection of Epicatechin in Camellia Sinensis Leaves by Thin Layer Chromatography and High Performance Liquid Chromatography Techniques”. Iraqi Journal of Pharmaceutical Sciences 31, no. 2 (December 25, 2022): 304–312. Accessed April 3, 2025. https://bijps.uobaghdad.edu.iq/index.php/bijps/article/view/1776.