Management 83 English language 41 Leadership 33 Personnel management 25 Politics and government 23 Quality control 20 Industrial management 19 Strategic planning 19 Case studies 17 Grammar 17 History 17 International relations 16 Education 15 Handbooks, manuals, etc 15 Organizational behavior 14 Marketing 13 Computer networks 12 Psychological aspects 12 Textbooks for foreign speakers 12 Data processing 11 Problems, exercises, etc 11 Rhetoric 11 Study and teaching 11 Success 11 Total quality management 11 Business 10 Management information systems 10 Computers 9 Executive ability 9 Organization 9