Sulaiman, M., A. H. A. Hadi, and K. Awang. “Alkaloids and Flavones from Desmos Dumosus, Roxb. Salt. (Annonaceae)”. Malaysian Journal of Science, vol. 22, no. 1, Apr. 2003, pp. 87-93, https://mjes.um.edu.my/index.php/MJS/article/view/8805.