Ėkonomicheskie i sot︠s︡ialʹnye problemy razvitii︠a︡ raĭonov Severa
by Ivanov, V. A., V. I. Akopov
Social conditionsEconomic conditions
Writing a summary for young readers…
For young readers
Book data: Open Library
by Ivanov, V. A., V. I. Akopov
Book data: Open Library