NIEMINEN, Mauri; KEMPPAINEN, Jorma. Economical importance of Finnish reindeer industry. Rangifer, Tromsø, Norway, v. 19, n. 4, p. 49–50, 1999. DOI: 10.7557/2.19.4.1592. Disponível em: https://septentrio.uit.no/index.php/rangifer/article/view/1592. Acesso em: 30 may. 2026.