Annuryanti, Febri, Indy Bustanyl Haq, Ali Nur Ad Deen, Djoko Agus Purwanto, and Asri Darmawati. 2021. “Determination of Epigallocatechin Gallate (EGCG) and Caffeine in Domestic Tea Products Using TLC-Densitometry”. Jordan Journal of Pharmaceutical Sciences 14 (1). https://archives.ju.edu.jo/index.php/jjps/article/view/106216.