Kupiainen, Katarina, and Mauri Nieminen. “Reindeer husbandry and forestry in the reindeer herding district of Poikajärvi during the years 1963 — 1984”. Rangifer 6, no. 1 (June 7, 2010): 23–35. Accessed June 7, 2025. https://new.eludamos.org/index.php/rangifer/article/view/567.