Wijarn, Lawan, Sophon Thanamai, and Nipon Tangtham. 2010. “Deducing Systematic Environmental Principle in Wastewater Treatment: Case Study of Bang Pharog Community, Pathum Thani Province”. Kasetsart Journal of Social Sciences 31 (3):401-11. https://so04.tci-thaijo.org/index.php/kjss/article/view/246694.