Kumchatpai, C. ., and S. . Youthao. “A Model of Environmental Education for Developing Healthy Urban Community: Case Study Salaya District, Nakhon Pathom, Thailand”. Kasetsart Journal of Social Sciences, vol. 42, no. 4, Dec. 2021, pp. 886-93, https://so04.tci-thaijo.org/index.php/kjss/article/view/255746.