Mohamed Ibrahim, A., & Hasiah Abdullah, W. (2002). 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(1&2), 93–100. Retrieved from https://mjs.um.edu.my/index.php/MJS/article/view/8595