Sakolkittinapakul, J., and W. Benjapong. “The Situation of Cadmium Contamination in Rice from the Main Areas of Rice Cultivation in 4 Regions of Thailand”. Thai Journal of Toxicology, vol. 36, no. 1, Mar. 2021, pp. 18-32, https://li01.tci-thaijo.org/index.php/ThaiJToxicol/article/view/248112.