Van Minh, Nguyen. “CONSERVATION OF THE RED - SHANKED DOUC LANGURS (Pygathix Nemaeus) IN BACH MA NATIONAL PARK: AN UPDATE ON DISTRIBUTION AND POPULATION SIZE”. Journal of Forestry Science and Technology, no. 7 (May 15, 2019): 098–104. Accessed November 21, 2024. https://journal.vnuf.edu.vn/en/article/view/793.