©2013 National Research Council of Thailand
Wirot Kesonbua. 2008. Systematics of the genus Tarenna gaertn. (Rubiaceae) in Thailand. Faculty of Science, Khon Kaen University;
Wirot Kesonbua. (2008) Systematics of the genus Tarenna gaertn. (Rubiaceae) in Thailand . Khon Kaen University/Khon Kaen.
Wirot Kesonbua. Systematics of the genus Tarenna gaertn. (Rubiaceae) in Thailand. . Khon Kaen:Khon Kaen University, 2008.
Wirot Kesonbua. (2008) Systematics of the genus Tarenna gaertn. (Rubiaceae) in Thailand . Khon Kaen University/Khon Kaen.