※一部利用できない機能があります
- Communism--Europe, Eastern (1)
- Industrial organization--Mathematical models (1)
- Industries--China (1)
- Kommunisticheskii︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za--Party work (1)
- Regional planning--Mathematical models (1)
- Soviet Union--Social policy (1)
- Territorial production complexes--Mathematical models (1)