Duangngoen, S., Arunpraparut, W., & Tongdeenok, P. (2021). Watershed Classification in an Unclassified Area to Analyze Landform Using Geographic Information System and Various Digital Elevation Models . Thai Journal of Forestry, 40(1), 108–122. Retrieved from https://li01.tci-thaijo.org/index.php/tjf/article/view/249269