Ruslan, M.S.H. and Idham, Z. and Nian Yian, L. and Ahmad Zaini, M.A. and Che Yunus, M.A. (2018) Effect of operating conditions on catechin extraction from betel nuts using supercritical CO2-methanol extraction. Separation Science and Technology (Philadelphia), 53 (4). pp. 662-670. ISSN 01496395