Minh Quang, N., D. Viet Quag, N. Khanh Toan, and H. Van Sam. “STUDY ON EFFECTS OF ENVIRONMENTAL FACTORS TO PLANTS AT BA VI NATIONAL PARK”. Journal of Forestry Science and Technology, no. 3, May 2016, pp. 111-7, https://jvnuf.vjst.net/en/article/view/1254.