Voo, Yen Lei. “Ultra-High Performance ’Ductile’ Concrete Technology Toward Sustainable Construction”. International Journal of Sustainable Construction Engineering and Technology 1, no. 2 (July 11, 2011): 105–126. Accessed May 4, 2024. https://penerbit.uthm.edu.my/ojs/index.php/IJSCET/article/view/67.