Van Sam, H.; Van Dung, P.; Thuy Linh, D.; Thi Hue Phuong, D.; Van Dien, P.; Tuan Cuong, N. CONSERVATION OF THREATENED PLANT SPECIES IN DONG VAN KARST PLATEAU GEOPARK, HA GIANG PROVINCE. J. Forest. Sci. Technol. 2016, 118-125.