J. Chu. (2016) Innovation in Soil Improvement Methods. <i>The Geotechnical Engineering Journal of the SEAGS & AGSSEA</i>, <i>47</i>(4), pp 24-34.J. Chu. "Innovation in Soil Improvement Methods". The Geotechnical Engineering Journal of the SEAGS & AGSSEA 47 (2016):pp 24-34.J. Chu. Innovation in Soil Improvement Methods. Southeast Asian Geotechnical Society:ม.ป.ท. 2016.