Silmi, F. F., Variyana, Y. and Shintawati (2024) “Ef ect of Feed to Solvent Variation in Tea Leaf (Camellia sinensis)On Caf eine Extraction”, JoASCE (Journal Applied of Science and Chemical Engineering), 2(1), pp. 28-33. doi: 10.25181/joasce.v2i1.3664.