Hemwan, P., A. Charoenpanyanet, P. Singkamfu, J. Sukpinit, and J. Seedaeng. “Scenarios of Flooding Water Level Using Digital Elevation Model based on Unmanned Aerial Vehicle System Case Study: Tha Wanga Pha District, Nan Province”. Defence Technology Academic Journal, vol. 4, no. 9, Aug. 2022, pp. 108-1, https://sc01.tci-thaijo.org/index.php/dtaj/article/view/240267.