Mohamed Ibrahim, Amer, and Wan Hasiah Abdullah. “An Assessment of Palaeodepositional Environment and Thermal Maturity of Upper Palaeozoic Sediments of Peninsular Malaysia by Organic Geochemical and Petrological Methods”. Malaysian Journal of Science 21, no. 1&2 (April 25, 2002): 93–100. Accessed December 23, 2024. https://mjlis.um.edu.my/index.php/MJS/article/view/8595.