Suanboon, Y., and S. Arphorn. “Factors Related to Urinary Arsenic Concentration Among Farmers in Ongphra Subdistrict, Danchang District, Suphanburi Province, Thailand”. Journal of Health Research, vol. 28, no. 2, July 2017, pp. 77-85, https://he01.tci-thaijo.org/index.php/jhealthres/article/view/92871.