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The peoples of the North and their road to socialism
Uvačan, Vasilij Nikolaevič, (1975)
Problemy regional̉noj ėkonomiki : na primere severo-vostoka SSSR
Egorov, Egor Grigoŕevič, (1979)
Ėkonomičeskoe razvitie avtonomnych okrugov Severa
Šapalin, B. F., (1982)