Trelo-ges, Vidhaya, and Pancheewan Pornpang-nga. “Measuring Soil Moisture Content with Time Domain Reflectometry”. Thai Agricultural Research Journal 21, no. 3 (December 23, 2003): 270–281. accessed September 30, 2026. https://li01.tci-thaijo.org/index.php/thaiagriculturalresearch/article/view/217567.