Chamchumroon, Voradol, and Christian Puff. “The Rubiaceae of Ko Chang, South-Eastern Thailand”. Thai Forest Bulletin (Botany), no. 31 (December 8, 2014): 13–26. Accessed March 28, 2024. https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24393.