Kanjanamangsak P, W. Benjapong, Muangsrichan N, and Karnpanit W. “Factors on Improper Pesticide Application in Chinese Kale Cultivation”. Thai Journal of Toxicology, vol. 25, no. 2, June 2020, p. 133, https://li01.tci-thaijo.org/index.php/ThaiJToxicol/article/view/243991.