Duy Linh, Le, 		Hong Ban, Pham, 		Minh Hoi, Tran, AND 		Ngoc Dai, Do.
" Chemical composition of essential oils of Litsea lancilimba Merr. in Vu Quang National Park, Ha Tinh Province" <em>VNU Journal of Science: Natural Sciences and Technology</em> [Online], Volume 33 Number 1S (10 October 2017)