“DRAINED SHEAR STRENGTH OF COMPACTED KHON KAEN LOESS FROM MULTISTAGE TRIAXIAL TEST”, INTERNATIONAL JOURNAL OF GEOMATE, vol. 17, no. 63, pp. 172–180, May 2019, Accessed: May 25, 2026. [Online]. Available: https://geomatejournal.com/geomate/article/view/2163