Ekchaweng, K., S. Pornbanlualap, P. Harinasut, and S. Apisitwanich. “Cloning and Expression of Pyrroline-5-carboxylate synthetase from Eucalyptus camaldulensis (Dehnh.) under Salt Stress”. Agriculture and Natural Resources, vol. 46, no. 6, Dec. 2012, pp. 904-17, https://li01.tci-thaijo.org/index.php/anres/article/view/243005.