Salim, Salman, et al. “Compressibility Behavior of Soft Clay Treated by Combination Between Sodium Silicate and Biomass Silica Probase Stabilizer”. Multidisciplinary Applied Research and Innovation, vol. 5, no. 3, Dec. 2024, pp. 33-41, https://penerbit.uthm.edu.my/periodicals/index.php/mari/article/view/11818.