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Subject
- Economic conditions[remove]65
- Population29
- Land use16
- Phytogeography13
- Ethnology11
- Maps7
- Population density7
- Social conditions7
- Administrative and political divisions5
- History5
- Physical geography5
- Languages4
- Economic history3
- Natural resources3
- Agriculture2
- Ethnic groups2
- Industries2
- Mines and mineral resources2
- Oil fields2
- Religion2
