CHAIYADEJ, K., H. WONGTHAP, S. VADHANAVIKIT, and K. CHANTRAPROMMA. “Bioactive Constituents from the Twigs of Sonneratia Alba”. Walailak Journal of Science and Technology (WJST), vol. 1, no. 1, Dec. 2011, pp. 15-22, https://wjst.wu.ac.th/index.php/wjst/article/view/196.