Abubaker, T., Hasiah Abdullah, W., & Abd. Rahman, A. H. (2004). BIOMARKERS AS PALAEOENVIRONMENT AND THERMAL MATURITY INDICATORS OF THE SANDAKAN FORMATION (LATE MIOCENE) EAST SABAH, MALAYSIA. Malaysian Journal of Science, 23(2), 165–174. Retrieved from https://juku.um.edu.my/index.php/MJS/article/view/8456