P. Van Phe, P. Thi Tuyen, N. Duc To Luu, and N. Van Thanh, “FLORA DIVERSITY IN THAC TIEN – DEO GIO NATURAL FOREST OF XIN MAN DISTRICT, HA GIANG PROVINCE ”, J. Forest. Sci. Technol., no. 9, pp. 113–120, Sep. 2020.