V Sivakumar. “Granular Columns for Geotechnical Applications”. Geotechnical Engineering Journal of the SEAGS & AGSSEA 49, no. 1 (October 21, 2024): 30–44. accessed September 12, 2026. https://ph01.tci-thaijo.org/index.php/SEAGS_AGSSEA_Journal/article/view/259146.