Pornpimon Wongsuwan และ Chayan Picheansoonthon. (2010) Taxonomy and molecular study of genus Hedychium (family Zingiberaceae) in Thailand /. Khon Kaen University,:ม.ป.ท.Pornpimon Wongsuwan และ Chayan Picheansoonthon. 2010. Taxonomy and molecular study of genus Hedychium (family Zingiberaceae) in Thailand /. ม.ป.ท.:Khon Kaen University,;Pornpimon Wongsuwan และ Chayan Picheansoonthon. Taxonomy and molecular study of genus Hedychium (family Zingiberaceae) in Thailand /. ม.ป.ท.:Khon Kaen University, 2010. Print.