- Perestroĭka (11)
- Soviet Union--Economic policy--1986-1991 (5)
- Central planning--Soviet Union (4)
- Soviet Union--Economic policy--1986- (4)
- Glasnost (2)
- Soviet Union--Economic conditions--1985- (2)
- Central planning--Germany (East) (1)
- Central planning--Mathematical models (1)
- Free enterprise--Germany (East) (1)
- Free enterprise--Soviet Union (1)
- Germany (East)--Economic policy (1)
- Industrial efficiency--Soviet Union--Mathematical models (1)
- Industrial management--Soviet Union (1)
- Industrial management--Soviet Union--Mathematical models (1)
- Regional planning--Soviet Union (1)
- Socialism--Soviet Union (1)
- Soviet Union--Economic conditions--1918- (1)
- Soviet Union--Economic conditions--1985-1991 (1)
- Soviet Union--Economic policy (1)
- Soviet Union--Economic policy--1917- (1)
- Soviet Union--Economic policy--1985- (1)