Thapyai, C., P. Wilkin, and K. Chayamarit. “Dioscorea Orbiculata Hook. F. and D. Tenuifolia Ridl. in Peninsular Thailand and Stellate Hairs in D. Sect. Enantiophyllum Uline”. Thai Forest Bulletin (Botany), no. 33, Dec. 2014, pp. 193-05, https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24317.