Huy Hoang, Le, 		Thi Hai Anh, Do, 		Thi Hue, Do, 		Thi Kieu Oanh, Tran, AND 		Quang Huy, Nguyen.
" Determination of quercetin aglycone in Flos Sophorae Immaturus extract of (Sophora japonica L.) by High Performance Liquid Chromatography" <em>VNU Journal of Science: Natural Sciences and Technology</em> [Online], Volume 33 Number 1S (10 October 2017)