HD28 Management. Industrial Management 314 TA Engineering (General). Civil engineering (General) 171 HD1394-1394.5 Real estate management 81 QA75 Electronic computers. Computer science 80 TH Building construction 43 TK Electrical engineering. Electronics Nuclear engineering 39 LB Theory and practice of education 38 HD Industries. Land use. Labor 36 QA76 Computer software 33 L Education (General) 31 T Technology (General) 27 G70.212-70.215 Geographic information system 25 TJ Mechanical engineering and machinery 20 NA Architecture 17 QA Mathematics 15 TD Environmental technology. Sanitary engineering 14 HF Commerce 13 Unspecified 12 H Social Sciences (General) 11 HD30.213 Management information systems. Decision support systems 11 TP Chemical technology 11 HD30.2 Knowledge management 10 G Geography (General) 9 HT101-395 Sociology, Urban 9 QE Geology 9 BP Islam. Bahaism. Theosophy, etc 8 HE Transportation and Communications 8 HF5549.5.M63 Employee motivation 8 G154.9-155.8 Travel and state. Tourism 7 HD61 Risk Management 7