TA Engineering (General). Civil engineering (General) 31 TH Building construction 26 TH1-9745 Building construction 16 QA75 Electronic computers. Computer science 15 TK Electrical engineering. Electronics Nuclear engineering 13 HD28 Management. Industrial Management 12 Hospitality industry. Hotels, clubs, restaurants, etc. Food service 12 HD Industries. Land use. Labor 10 Malaysia 7 G70.212-70.215 Geographic information system 6 HD1394-1394.5 Real estate management 6 NA Architecture 6 Building operation and housekeeping 5 Hospitality 5 HE Transportation and Communications 4 QA76 Computer software 4 Contractors 3 Customer services. Customer relations 3 H Social Sciences (General) 3 Healthcare 3 P1-1091 Philology. Linguistics(General) 3 TD Environmental technology. Sanitary engineering 3 TJ Mechanical engineering and machinery 3 The house. Including arrangement, care, servants 3 Travel and state. Tourism 3 Chinese tourists 2 Cloud computing 2 Collaboration 2 Communication 2 Consumer behavior. Consumers' preferences. Consumer research. Including consumer profiling 2