Ainuddin Yasin, and Jasmi Ab Talib. “Engineering Properties of Mangking Sandstone”. Geotechnical Engineering Journal of the SEAGS & AGSSEA 52, no. 4 (December 31, 2021): 39–48. accessed September 11, 2026. https://ph01.tci-thaijo.org/index.php/SEAGS_AGSSEA_Journal/article/view/258754.