[1]
R. Valery Allen and M. Syahfitra, “Analisis Komparatif Efisiensi Rendemen Dan Stabilitas Kadar Katekin Ekstrak Gambir (Uncaria Gambir) Menggunanakan Pengepres Hidrolik Dan Pengepres Ulir Skala Industri Kecil: Comparative Analysis of Yield Efficiency and Stability of Catechin Content of Gambir (Uncaria Gambir) Extract Using Hydraulic Press and Screw Press on Small Industrial Scale”, Atech-i, vol. 3, no. 1, pp. 38–47, Jan. 2026.