Nafisah U, Dewi AOT, Lulu AAH. Determination of Catechin Content in Green and Black Tea (Camellia sinensis L.) by UV-Vis Spectrophotometric Method. J. Sains Kes. [Internet]. 2024 Feb. 29 [cited 2026 May 12];6(1):24-30. Available from: https://jsk.jurnalfamul.com/index.php/jsk/article/view/2166