U. V, . «Ministry for Foreign Affairs, Helsinki. Protection of Minority Rights in Finland. Finnish Features. No. 4 65; Aspects of the Language Problem; In Finland. F. F. No. 4 62; Karl Nickul: "The Lapps the People of Lapland". F. F. 33 62; Paavo Ravila: “The Riddle of the Lapps” F. F. 12 61». Revista Mexicana de Sociologí­a 28, no. 4 (octubre 1, 1966): 964–966. Accedido febrero 25, 2025. http://132.248.234.93/index.php/rms/article/view/58680.