Hayiyusoh, I., H. Kodae, A. Yampli, W. Mangsamong, T. Prasertsri, and Z. Dema. “Mechanical Properties of Cement Mortar using Plastic Waste-Coated Coarse Palm Oil Fuel Ash Replaced Fine Aggregate”. PNU Journal of Applied Science, Engineering & Technology, vol. 3, no. 1, Dec. 2024, pp. 25-30, https://ph05.tci-thaijo.org/index.php/JASET/article/view/311.