O. Kusakabe และผู้แต่งคนอื่นๆ. (2017) Development of Gross National Safety Index for Natural Disasters. <i>The Geotechnical Engineering Journal of the SEAGS & AGSSEA</i>, <i>48</i>(1), 90-101.O. Kusakabe และผู้แต่งคนอื่นๆ. "Development of Gross National Safety Index for Natural Disasters". The Geotechnical Engineering Journal of the SEAGS & AGSSEA 48 (2017):90-101.O. Kusakabe และผู้แต่งคนอื่นๆ. Development of Gross National Safety Index for Natural Disasters. Southeast Asian Geotechnical Society:ม.ป.ท. 2017.