S. Aoyama และผู้แต่งคนอื่นๆ. (2014) Model Loading Tests on Bearing Behaviour of a Group Pile and Ground Deformation in Sand. <i>The Geotechnical Engineering Journal of the SEAGS & AGSSEA</i>, <i>45</i>(2), pp 96-105.S. Aoyama และผู้แต่งคนอื่นๆ. "Model Loading Tests on Bearing Behaviour of a Group Pile and Ground Deformation in Sand". The Geotechnical Engineering Journal of the SEAGS & AGSSEA 45 (2014):pp 96-105.S. Aoyama และผู้แต่งคนอื่นๆ. Model Loading Tests on Bearing Behaviour of a Group Pile and Ground Deformation in Sand. Southeast Asian Geotechnical Society:ม.ป.ท. 2014.