Hamizah Khalid, Nurul Ainul, and Alvin John Lim Meng Siang. “Review on Soil Improvement by Using Various Chemical Additives for Foundation”. Journal of Sustainable Underground Exploration 1, no. 1 (December 16, 2021): 38–44. Accessed March 4, 2024. https://publisher.uthm.edu.my/ojs/index.php/j-sue/article/view/10419.