Phuphathanaphong, Leena. “A Revision of Gironniera Gaudich (Ulmaceae)”. Thai Forest Bulletin (Botany), no. 6 (December 8, 2014): 49–59. Accessed April 25, 2024. https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/25134.