Sulaiman, Mazdida, A. Hamid A. Hadi, and Khalijah Awang. 2003. “Alkaloids and Flavones from Desmos Dumosus, Roxb. Salt. (Annonaceae)”. Malaysian Journal of Science 22 (1):87-93. http://jice.um.edu.my/index.php/MJS/article/view/8805.