Soon Hoe Chew, Hor Mun Audrey Yim, Juan Wei Koh, Kok Eng Chua, and Zi Xiang Gng. “QA/QC PLAN AND EVALUATION OF FIELD STRENGTH AND PERMEABILITY VALUE FOR DEEP CEMENT MIXING”. GEOMATE Journal 19, no. 74 (October 30, 2020): 52–58. Accessed April 20, 2024. https://geomatejournal.com/geomate/article/view/1826.