Pomoim, N., Y. Trisurat, and D. Sukchalerm. “Distribution and Conservation Status of Water Onion (Crinum Thaianum J. Schulze) in Thailand”. Thai Journal of Forestry, vol. 35, no. 2, Aug. 2016, pp. 11-20, https://li01.tci-thaijo.org/index.php/tjf/article/view/247266.