STILES, D. China faces a conservation challenge: the expanding elephant and mammoth ivory trade in Beijing and Shanghai. Pachyderm, [S. l.], v. 56, p. 122–126, 2015. DOI: 10.69649/pachyderm.v56i.381. Disponível em: https://pachydermjournal.org/index.php/pachyderm/article/view/381. Acesso em: 24 apr. 2026.