Supreeya Pomprasirt. 1993. Tissue cultures of Cassia angustifolia Vahl and quantitative analysis of anthraquinones in the cultures and senna pods. Graduate School, Chulalongkorn University;
Supreeya Pomprasirt. (1993) Tissue cultures of Cassia angustifolia Vahl and quantitative analysis of anthraquinones in the cultures and senna pods . Chulalongkorn University/Bangkok.
Supreeya Pomprasirt. Tissue cultures of Cassia angustifolia Vahl and quantitative analysis of anthraquinones in the cultures and senna pods. . Bangkok:Chulalongkorn University, 1993.
Supreeya Pomprasirt. (1993) Tissue cultures of Cassia angustifolia Vahl and quantitative analysis of anthraquinones in the cultures and senna pods . Chulalongkorn University/Bangkok.