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Subject
- Population8
- Population policy4
- Birth control3
- Government policy3
- Social conditions3
- Economic policy2
- Residential mobility2
- Bevölkerung1
- Bevölkerungsentwicklung1
- Bevölkerungspolitik1
- Communism1
- Economic aspects1
- Education1
- Environmental aspects1
- Family size1
- History1
- Human ecology1
- Land use1
- Migration, Internal1
- Population forecasting1