Nathachai Tiengburanatam และ Aphichart Karnchanatat. (2009) Bioactive protein from rhizomes of Zingiber ottensii Valeton. Chulalongkorn University:ม.ป.ท.Nathachai Tiengburanatam และ Aphichart Karnchanatat. 2009. Bioactive protein from rhizomes of Zingiber ottensii Valeton. ม.ป.ท.:Chulalongkorn University;Nathachai Tiengburanatam และ Aphichart Karnchanatat. Bioactive protein from rhizomes of Zingiber ottensii Valeton. ม.ป.ท.:Chulalongkorn University, 2009. Print.