TK Electrical engineering. Electronics Nuclear engineering 30 L Education (General) 19 QA75 Electronic computers. Computer science 19 LB2300 Higher Education 15 TA Engineering (General). Civil engineering (General) 14 P1-1091 Philology. Linguistics(General) 13 TJ Mechanical engineering and machinery 13 Malaysia 9 NA Architecture 8 Q Science (General) 8 T Technology (General) 8 TP Chemical technology 8 New Zealand 7 HD28 Management. Industrial Management 6 PE English 5 Performance 5 QA76 Computer software 5 RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry 5 TH Building construction 5 Translating 5 Translating and interpreting 5 Art installations 4 BP Islam. Bahaism. Theosophy, etc 4 Education 4 HD Industries. Land use. Labor 4 Nutrition 4 Painting 4 QA Mathematics 4 Research 4 TD Environmental technology. Sanitary engineering 4