Revenue 22 Economics 21 Taxation 11 History 9 Public finance 9 Autobiography 7 Fiscal policy 7 Public revenue 6 Development economics 5 Foreign trade 5 IT and SCM-- Revenue Management 5 Management 5 irrigation 5 Accounting 4 Customer services 4 Delivery of goods 4 Expenditure 4 Finance 4 Finance, Public 4 Industrial procurement 4 Marketing channels 4 Materials management 4 Physical distribution of goods 4 Science 4 Taxes and Taxation 4 Capital 3 Criticism and interpretation 3 Government paperwork 3 Hospitality industry 3 India 3