Othuman Mydin, Md Azree. “Mechanical and Durability Properties of Foamed Concrete With the Addition of Oil Palm Trunk Fibre”. International Journal of Sustainable Construction Engineering and Technology 13, no. 1 (May 16, 2022): 9–24. Accessed July 23, 2024. https://penerbit.uthm.edu.my/ojs/index.php/IJSCET/article/view/8387.