, G.C.L, Ee, Lim , C.K, Cheow, Y.L, and Sukari M.A. 2005. “Xanthones and Triterpenoids from Mesua Daphnifolia and Garcinia Maingayi”. Malaysian Journal of Science 24 (1):183-85. https://juku.um.edu.my/index.php/MJS/article/view/8969.