Kittisak Kiathevest และ Artiwan Shotipruk. (2007) Extraction and concentration of anthraquinones from roots of Morinda Citrifolia by non-ionic surfactant solution. Chulalongkorn University:ม.ป.ท.Kittisak Kiathevest และ Artiwan Shotipruk. 2007. Extraction and concentration of anthraquinones from roots of Morinda Citrifolia by non-ionic surfactant solution. ม.ป.ท.:Chulalongkorn University;Kittisak Kiathevest และ Artiwan Shotipruk. Extraction and concentration of anthraquinones from roots of Morinda Citrifolia by non-ionic surfactant solution. ม.ป.ท.:Chulalongkorn University, 2007. Print.