Abubaker, Tarek, Wan Hasiah Abdullah, and Abdul Hadi Abd. Rahman. “BIOMARKERS AS PALAEOENVIRONMENT AND THERMAL MATURITY INDICATORS OF THE SANDAKAN FORMATION (LATE MIOCENE) EAST SABAH, MALAYSIA”. Malaysian Journal of Science (MJS) 23, no. 2 (August 26, 2004): 165–174. Accessed March 30, 2026. https://samudera.um.edu.my/index.php/MJS/article/view/8456.