Suphrom, N., W. Sonyot, K. Insumrong, P. Sawangsup, P. Sutamuang, and K. Ingkaninan. “GC-MS analysis and in vitro anti-androgenic activity of Kaempferia rotunda Linn extract”. Asian Health, Science and Technology Reports, vol. 25, no. 4, Sept. 2017, pp. 34-43, https://ph03.tci-thaijo.org/index.php/ahstr/article/view/1667.