Thitimakorn, T., Kummode, S. and Kupongsak, S. 2016. Determination of Spatial and Temporal Variations of Volumetric Soil Water Content Using Ground Penetrating Radar: A Case Study in Thailand. Applied Environmental Research. 38, 2 (Jul. 2016), 33–46. DOI:https://doi.org/10.35762/AER.2016.38.2.4.