เวฬุคามกุล เ.; อัมพรพรรดิ์ ล. The Peculiar Plants of Podostemaceae in Na Haeo District, Loei Province. KKU Science Journal, [S. l.], v. 41, n. 4, p. 808–822, 2013. Disponível em: https://ph01.tci-thaijo.org/index.php/KKUSciJ/article/view/249181. Acesso em: 26 aug. 2026.