RACHPIROM, M., C. OVATLARNPORN, S. THENGYAI, C. SONTIMUANG, and P. PUTTARAK. “Dipeptidyl Peptidase-IV (DPP-IV) Inhibitory Activity, Antioxidant Property and Phytochemical Composition Studies of Herbal Constituents of Thai Folk Anti-Diabetes Remedy”. Walailak Journal of Science and Technology (WJST), vol. 13, no. 10, Mar. 2016, pp. 803-14, https://wjst.wu.ac.th/index.php/wjst/article/view/2058.