G. Chiaro, M. Umar, T. Kiyota, and J. Koseki. “Deformation and Cyclic Strength Characteristics of Loose and Medium-Dense Clean Sand under Sloping Ground Conditions: Insights from Cyclic Undrained Torsional Shear Tests with Static Shear”. Geotechnical Engineering Journal of the SEAGS & AGSSEA 52, no. 4 (December 31, 2021): 14–22. accessed September 11, 2026. https://ph01.tci-thaijo.org/index.php/SEAGS_AGSSEA_Journal/article/view/258751.