Oanh, Pham, 		Phuong, Ngo, 		Xuyen, Do, AND 		Thanh, Nguyen.
" Medicinal Plant Diversity at Cham Chu Nature Reserve Area, Tuyen Quang Province" <em>VNU Journal of Science: Natural Sciences and Technology</em> [Online], Volume 34 Number 2 (30 May 2018)