Soraya S. Testing the Tannin Content of Bay Leaves (Syzygium polyanthum) Using Various Ethanol Concentrations. JSK [Internet]. 24Sep.2023 [cited 9Sep.2024];14(2):129 -135. Available from: https://ejurnalskalakesehatan-poltekkesbjm.com/index.php/JSK/article/view/417