Jirasak Kongkiattikajorn. “Effect of Salinity Stress on Degradation of Polyamines and Amine Oxidase Activity in Maize Seedlings”. Agriculture and Natural Resources, vol. 43, no. 5, Dec. 2009, pp. 28-33, https://li01.tci-thaijo.org/index.php/anres/article/view/244775.