Mao Minea, Chitrapan Piluek, Alisara Menakanit, and Sureeya Tantiwiwat. 2004. “A Study on Seed Germination and Seedling Development of Spathoglottis Bl. Orchids”. Agriculture and Natural Resources 38 (2). Bangkok, Thailand:141-56. https://li01.tci-thaijo.org/index.php/anres/article/view/242943.