Hussin, Azhar, Azman Abdul Ghani, Khaira Ismail, Rosmadi Fauzi, Dorall, Richard, and Gokilan, S. “The Geology and Geomorphology of Pulau Jarak, Pulau Sembilan and Pulau Perak”. Malaysian Journal of Science 27, no. 3 (December 25, 2008): 1–6. Accessed December 20, 2024. https://mjs.um.edu.my/index.php/MJS/article/view/8737.