Tulayakul, Phitsanu, Alongkot Boonsoongnern, Suwicha Kasemsuwan, Nattavut Ratanavanichrojn, Ramnaree Netvichian, and Sutha Khaodhiar. “Heavy Metals, Escherichia coli and Salmonella spp. in Feeds, Reused Water, Wastewater and Manure from Swine Farms: A Case Report”. Agriculture and Natural Resources 46, no. 6 (December 31, 2012): 882–893. accessed August 27, 2026. https://li01.tci-thaijo.org/index.php/anres/article/view/243002.