HELLE, T.; WALTERS, C. Economic comparison of two methods of supplementary feeding in Finnish reindeer management. Rangifer, Tromsø, Norway, v. 4, n. 2-App, p. 113, 1984. DOI: 10.7557/2.4.2-App.527. Disponível em: https://septentrio.uit.no/index.php/rangifer/article/view/527. Acesso em: 7 may. 2026.