Warangkana Lertsupwichit. 2003. Chemical constituents of Clinacanthus siamensis leaves. Field of Study Pharmacoqnosy, Chulalongkorn University;
Warangkana Lertsupwichit. (2003) Chemical constituents of Clinacanthus siamensis leaves . Chulalongkorn University/Bangkok.
Warangkana Lertsupwichit. Chemical constituents of Clinacanthus siamensis leaves. . Bangkok:Chulalongkorn University, 2003.
Warangkana Lertsupwichit. (2003) Chemical constituents of Clinacanthus siamensis leaves . Chulalongkorn University/Bangkok.