LB Theory and practice of education 24 L Education (General) 22 HD28 Management. Industrial Management 10 LC Special aspects of education 7 TA Engineering (General). Civil engineering (General) 7 HD Industries. Land use. Labor 5 NA Architecture 5 QA76 Computer software 5 TH Building construction 5 HD1394-1394.5 Real estate management 4 QA75 Electronic computers. Computer science 3 Unspecified 3 LB1603 Secondary Education. High schools 2 LB2300 Higher Education 2 TJ Mechanical engineering and machinery 2 TK Electrical engineering. Electronics Nuclear engineering 2 BF Psychology 1 GV Recreation Leisure 1 H Social Sciences (General) 1 HB Economic Theory 1 HD30.213 Management information systems. Decision support systems 1 HF5549.5.M63 Employee motivation 1 HM Sociology 1 HT Communities. Classes. Races 1 LB1501 Primary Education 1 NA9000-9284 City planning 1 QA Mathematics 1 QC Physics 1 QE Geology 1 R Medicine (General) 1