Kannan K. R Iyer, and D. N. Singh. “Water Retention Characteristics of Swelling Clays”. Geotechnical Engineering Journal of the SEAGS & AGSSEA 50, no. 1 (March 31, 2019): 1–9. accessed September 13, 2026. https://ph01.tci-thaijo.org/index.php/SEAGS_AGSSEA_Journal/article/view/259021.