TA Engineering (General). Civil engineering (General) 70 QA75 Electronic computers. Computer science 67 TJ Mechanical engineering and machinery 54 New Zealand 49 Methodology 48 TH Building construction 48 TP Chemical technology 45 Research 43 HD28 Management. Industrial Management 40 TK Electrical engineering. Electronics Nuclear engineering 39 Malaysia 25 Māori 25 NA Architecture 25 H Social Sciences (General) 23 T Technology (General) 22 L Education (General) 21 QA76 Computer software 21 Case study 19 BP Islam. Bahaism. Theosophy, etc 15 Identity 15 Psychotherapy 15 Education 14 HD Industries. Land use. Labor 14 Talanoa 14 Design 13 G70.212-70.215 Geographic information system 13 HD1394-1394.5 Real estate management 13 Pacific 13 QD Chemistry 13 Children 12