Poopatanapong, Kaewta, Nikom Jearrajinda, and Viramol Vestsoonthontap. “The Principle of Equilibrium Evaluation in Chao Phraya Surasak Municipality and Banglamung Municipality”. Rajapark Journal 11, no. 24 (February 15, 2017): 224–236. accessed September 28, 2026. https://so05.tci-thaijo.org/index.php/RJPJ/article/view/172812.