Tonnayopas, D., Kooptarnond, K. and Masae, M. (2014) “Novel Ecological Tiles Made with Granite Fine Quarry Waste and Oil Palm Fiber Ash”, Science & Technology Asia, 14(1), pp. 10–20. available at: https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/15862 (accessed: 17 September 2026).