Mohd Yusop, Nurzazila Humaira, et al. “The Study of Deep Soil Mixing for Ground Treatment in Section 1 For East Coast Rail Link (ECRL) Project During Construction Phase”. Progress in Engineering Application and Technology, vol. 4, no. 2, Dec. 2023, pp. 1252-9, https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/13135.