Yau Seng Mah, Darrien, Siew Ling Loh, Md Abdul Mannan, and Wan Hashim Wan Ibrahim. “Modelling of Surface Permeation in Multiple-Orifice Permeable Road”. International Journal of Engineering & Technology 7, no. 3.18 (August 2, 2018): 40–43. Accessed May 6, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/16670.