Smith, B. Katherine, Melissa J. Remis, and Ellen S. Dierenfeld. “Impacts of Dietary Modifications on the Behaviour of Captive Western Lowland Gorillas (Gorilla Gorilla gorilla)”. Journal of Zoo and Aquarium Research 8, no. 1 (January 2, 2020): 50–58. Accessed March 29, 2024. https://jzar.org/jzar/article/view/437.