Matemáticas 262 Electrónica 216 Management 193 Mecánica 153 Materiales 150 Leadership 103 Data processing 100 Computer programs 99 Computer networks 95 Marketing 93 Investments 84 Química 82 Telecomunicaciones 82 Examinations 77 Finance 77 Computer security 76 Física 76 Security measures 67 Economía de la empresa 66 Organización industrial 65 Informática 61 Artificial intelligence 58 Business 58 Empreses 58 Engineering & Applied Sciences 58 Probabilidades y estadística 57 Technological innovations 57 Internet marketing 56 Accounting 55 Business & Economics 55