Management 13 Mathematics 13 C (Computer program language) 10 Marketing 9 Computer programming 8 Examinations 7 Business communication 6 Industrial management 5 Managerial accounting 5 Strategic planning 5 Algebra 4 Data structures (Computer science) 4 Economic conditions 4 Electronic data processing 4 Globalization 4 International business enterprises 4 International finance 4 International trade 4 Investments, Foreign 4 Personnel management 4 Programming 4 Project management 4 Research 4 Accounting 3 Balance of payments 3 Business 3 Business ethics 3 Business logistics 3 Business mathematics 3 Business planning 3