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Developing countries Economic conditions 54 Economic development 33 Urbanization 22 Housing 16 Cities and towns 14 Economic assistance 13 περισσότερα ... Economic policy 13 Associations, institutions, etc 10 Economic aspects 10 Environmental policy 10 City planning 9 Sustainable development 9 Growth 7 Poverty 7 Social aspects 7 Agriculture 6 Nonprofit organizations 6 Technology 6 Case studies 5 Development economics 5 Rural poor 5 Urban policy 5 Economic history 4 Environmental aspects 4 Foreign economic relations 4 Housing policy 4 Human ecology 4 Income distribution 4 Population 4 λιγότερα ...