Suttaket, J., and T. Panbamrungkij. “Impact Assessment of Flash Flood on the Tourism Sector : A Case Study of Nan Province”. Journal of the Faculty of Arts, Silpakorn University, vol. 43, no. 1, June 2021, pp. 195-17, https://so04.tci-thaijo.org/index.php/jasu/article/view/252074.