A.J. Puppala และผู้แต่งคนอื่นๆ. (2012) Measurements Of Shrinkage Induced Pressure (Sip) In Unsaturated Expansive Clays. <i>The Geotechnical Engineering Journal of the SEAGS & AGSSEA</i>, <i>43</i>(1), pp 40-47.A.J. Puppala และผู้แต่งคนอื่นๆ. "Measurements Of Shrinkage Induced Pressure (Sip) In Unsaturated Expansive Clays". The Geotechnical Engineering Journal of the SEAGS & AGSSEA 43 (2012):pp 40-47.A.J. Puppala และผู้แต่งคนอื่นๆ. Measurements Of Shrinkage Induced Pressure (Sip) In Unsaturated Expansive Clays. Southeast Asian Geotechnical Society:ม.ป.ท. 2012.