ROTH, T. S.; BIONDA, T. R.; STERCK, E. H. M. Recapturing the canopy: stimulating Bornean orang-utan (Pongo pygmaeus) natural locomotion behaviour in a zoo environment. Journal of Zoo and Aquarium Research, [S. l.], v. 5, n. 1, p. 16–24, 2017. DOI: 10.19227/jzar.v5i1.186. Disponível em: https://jzar.org/jzar/article/view/186. Acesso em: 17 may. 2021.