Danthanawanit, C., Poeaim, S., and Poeaim, A. “Evidence of molecular marker for genetic relationship of Asystasia gangetia (Linn) T. Anderson”. International Journal of Agricultural Technology, vol. 11, no. 2, Feb. 2015, pp. 287-96, https://li04.tci-thaijo.org/index.php/IJAT/article/view/6058.