Soon Hoe Chew, Hor Mun Audrey Yim, Juan Wei Koh, Kok Eng Chua, and Zi Xiang Gng. 2020. “QA/QC PLAN AND EVALUATION OF FIELD STRENGTH AND PERMEABILITY VALUE FOR DEEP CEMENT MIXING”. GEOMATE Journal 19 (74):52-58. https://geomatejournal.com/geomate/article/view/1826.