Nijman, Vincent. (2021) 2021. “Crop and Property Damage Caused by Purple-Faced Langurs Trachypithecus Vetulus (Mammalia: Primates: Cercopithecidae)”. Journal of Threatened Taxa 13 (14):20302-6. https://doi.org/10.11609/jott.7401.13.14.20302-20306.