Winai Somprasong และผู้แต่งคนอื่นๆ. (2015) Taxonomic Study of the subtribe Andrographinae, tribe Ruellieae, family Acanthaceae in Thailand. <i>Thai Agricultural Research Journal</i>, <i>33</i>(1), 85-97.Winai Somprasong และผู้แต่งคนอื่นๆ. "Taxonomic Study of the subtribe Andrographinae, tribe Ruellieae, family Acanthaceae in Thailand". Thai Agricultural Research Journal 33 (2015):85-97.Winai Somprasong และผู้แต่งคนอื่นๆ. Taxonomic Study of the subtribe Andrographinae, tribe Ruellieae, family Acanthaceae in Thailand. Department of Agriculture:ม.ป.ท. 2015.