Kesonbua, W., and P. Chantaranothai. “A Checklist of the Genus Tarenna Gaertn. (Rubiaceae) in Thailand”. Thai Forest Bulletin (Botany), no. 36, Dec. 2014, pp. 18-45, https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24176.