Chattip Prommuak และ Artiwan Shotipruk. (2007) Extraction of silk flavonoids and carotenoids from Thai silk waste and their antioxidant activities. Chulalongkorn University:ม.ป.ท.Chattip Prommuak และ Artiwan Shotipruk. 2007. Extraction of silk flavonoids and carotenoids from Thai silk waste and their antioxidant activities. ม.ป.ท.:Chulalongkorn University;Chattip Prommuak และ Artiwan Shotipruk. Extraction of silk flavonoids and carotenoids from Thai silk waste and their antioxidant activities. ม.ป.ท.:Chulalongkorn University, 2007. Print.