N. K. T. Dharmayani, “Antibacterial Test and Isolation of Xanthones from Pericarps Mangosteen (Garcinia mangostana L.) using Calcium Oxide (CaO) as a Vacuum Liquid Chromatography (VLC) Stationary Phase ”, Acta.Chim.Asiana, vol. 5, no. 1, pp. 181–185, Apr. 2022.