TK Electrical engineering. Electronics Nuclear engineering 12 QA Mathematics 6 TJ Mechanical engineering and machinery 5 QA75 Electronic computers. Computer science 4 NA Architecture 3 QD Chemistry 3 H Social Sciences (General) 2 HD28 Management. Industrial Management 2 Q Science (General) 2 TA Engineering (General). Civil engineering (General) 2 TP Chemical technology 2 HA Statistics 1 HF Commerce 1 L Education (General) 1 LB Theory and practice of education 1 QA76 Computer software 1 QC Physics 1 QR180 Immunology 1 Unspecified 1