Phuwanich, Laemthai, and Ruangrai Tokrisna. “Economic Policies for Efficient Water Use in Thailand”. Kasetsart Journal of Social Sciences 28, no. 3 (December 31, 2007): 367–376. accessed September 10, 2026. https://so04.tci-thaijo.org/index.php/kjss/article/view/246464.