A. Hadi, A. Hamid, Mat ’ Ropi Mukhtar, Khoo ’ Choon Wee, and Saripah Salbiah Syed Abd. Azziz. “Alkaloids Isolated from Dehaasia Candolleana (Meisn.) Kosterm”. Malaysian Journal of Science 27, no. 2 (August 28, 2008): 115–121. Accessed January 8, 2025. http://borneojournal.um.edu.my/index.php/MJS/article/view/9273.