HD28 Management. Industrial Management 10 TA Engineering (General). Civil engineering (General) 6 QA75 Electronic computers. Computer science 4 HD Industries. Land use. Labor 3 TH Building construction 3 G70.212-70.215 Geographic information system 2 HF Commerce 2 HG Finance 2 QA76 Computer software 2 T Technology (General) 2 H Social Sciences (General) 1 HD1394-1394.5 Real estate management 1 HD61 Risk Management 1 HF5549.5.M63 Employee motivation 1 HF5601 Accounting 1 HJ Public Finance 1 L Education (General) 1 LG Individual institutions (Asia. Africa) 1 NA Architecture 1 QA Mathematics 1 QE Geology 1 TD Environmental technology. Sanitary engineering 1 TE Highway engineering. Roads and pavements 1 TH434-437 Quantity surveying 1 TJ Mechanical engineering and machinery 1 TK Electrical engineering. Electronics Nuclear engineering 1 TP Chemical technology 1