Monsichar Yannarat และ Warinthorn Chavasiri. (2018) Extraction of spent green tea leaves as bioactive-compound source. Chulalongkorn University:ม.ป.ท.Monsichar Yannarat และ Warinthorn Chavasiri. 2018. Extraction of spent green tea leaves as bioactive-compound source. ม.ป.ท.:Chulalongkorn University;Monsichar Yannarat และ Warinthorn Chavasiri. Extraction of spent green tea leaves as bioactive-compound source. ม.ป.ท.:Chulalongkorn University, 2018. Print.