WARSAW, D.; SAYERS, J. The influence of animal welfare accreditation programmes on zoo visitor perceptions of the welfare of zoo animals. Journal of Zoo and Aquarium Research, [S. l.], v. 8, n. 3, p. 188-193, 2020. DOI: 10.19227/jzar.v8i3.401. Disponível em: https://jzar.org/jzar/article/view/401. Acesso em: 23 sep. 2020.