I, Noorbatcha, Hassan S, Hamid A. Hadi, and Khalijah Awang. “Ab Initia Geometry-Optimization and NMR Studies of Chemical Constituents of Piper Sarmentosum”. Malaysian Journal of Science 21, no. 1&2 (April 25, 2002): 143–147. Accessed December 23, 2024. https://ajba.um.edu.my/index.php/MJS/article/view/8600.