Wonginyou, Nudjarin, and Yanyong Inmoung. 2017. “Assessment of environmental and health risk perception of salt pot workers at Kud-Rea-Khom sub-district, Wanonniwat district, Sakon Nakhon province”. Asia-Pacific Journal of Science and Technology 17 (6):1012-27. https://so01.tci-thaijo.org/index.php/APST/article/view/83762.