“OPTIMIZATION OF CAFFEINE EXTRACTION FROM DRIED COFFEE BEANS: EVALUATING THE EFFECTS OF SOLVENT RATIO AND TIME IN A CONTINUOUS SOLID-LIQUID EXTRACTION PROCESS FOR PHARMACEUTICAL APPLICATIONS”. Jurnal Teknologi (Sciences & Engineering) 88, no. 4 (June 16, 2026): 855–861. Accessed October 3, 2026. https://journals.utm.my/jurnalteknologi/article/view/25093.