A Ghani, Azman, and Singh Navpreet. “Sempah Volcanic Complex, Western Belt of Peninsular Malaysia. Preliminary Study of Petrology and Geochemistry”. Malaysian Journal of Science 21, no. 1&2 (April 25, 2002): 123–130. Accessed December 22, 2024. https://juku.um.edu.my/index.php/MJS/article/view/8598.