Pynciau a Argymhellir
- Economic conditions 3 canlyniadau
- History 2 canlyniadau
- Race relations 2 canlyniadau
- Social conditions 2 canlyniadau
- Social policy 2 canlyniadau
- Welfare state 2 canlyniadau
- Economic aspects 1 canlyniadau
- Economic forecasting 1 canlyniadau
- Economic policy 1 canlyniadau
- Emigration and immigration 1 canlyniadau
- Immigrants 1 canlyniadau