R. A. Samarakoon, and J. S. McCartney. “Simplified Model for Heat Transfer in Unsaturated Soils Considering a Nonisothermal Thermal Conductivity Function”. Geotechnical Engineering Journal of the SEAGS & AGSSEA 50, no. 1 (March 31, 2019): 16–22. accessed April 24, 2025. https://ph01.tci-thaijo.org/index.php/SEAGS_AGSSEA_Journal/article/view/259023.