JOHNSON, Chris. Thresholds or intractable complexity – Is there a middle ground for effective conservation and management of wild Rangifer?. Rangifer, Tromsø, Norway, v. 32, n. 2, p. 31, 2012. DOI: 10.7557/2.32.2.2242. Disponível em: https://septentrio.uit.no/index.php/rangifer/article/view/2242. Acesso em: 1 jul. 2026.