Policy sciences 98 Social sciences 14 Economic policy 12 Politics and government 12 Public administration 9 Social policy 8 Case studies 7 Decision making 6 Periodicals 6 Planning 6 Comparative government 5 Mathematical models 5 Research 5 Congresses 3 Decision-making 3 Evaluation 3 Evaluation research (Social action programs) 3 Political science 3 Bibliography 2 Cities and towns 2 Economics 2 Local government 2 Methodology 2 Philosophy 2 Political planning 2 Social change 2 Social scientists in government 2 Social values 2 Study and teaching 2 System analysis 2