yusof, Mohd Fairus. “Numerical Modelling of Soft Soil Improvement Using Expanded Polystyrene Geofoam for Road Embankment”. Journal of Sustainable Underground Exploration , vol. 2, no. 1, Nov. 2022, pp. 46-54, https://publisher.uthm.edu.my/ojs/index.php/j-sue/article/view/12595.