Kannan R. Iyer and D. N. Singh. (2019) Water Retention Characteristics of Swelling Clays. <i>The Geotechnical Engineering Journal of the SEAGS & AGSSEA</i>, <i>50</i>(1), 1-9.Kannan R. Iyer and D. N. Singh. "Water Retention Characteristics of Swelling Clays". The Geotechnical Engineering Journal of the SEAGS & AGSSEA 50 (2019):1-9.Kannan R. Iyer and D. N. Singh. Water Retention Characteristics of Swelling Clays. Southeast Asian Geotechnical Society:ม.ป.ท. 2019.