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Sot︠s︡ialʹno-ėkonomicheskie faktory povyshenii︠a︡ ėffektivnosti truda v narodnom khozi︠a︡ĭstve Chuvashskoĭ ASSR

by V. N. Viktorov

Labor productivityEconomic conditions
Writing a summary for young readers…

For young readers

Book data: Open Library