L Education (General) 679 LB Theory and practice of education 71 HD28 Management. Industrial Management 22 LB1603 Secondary Education. High schools 22 QA75 Electronic computers. Computer science 12 BP Islam. Bahaism. Theosophy, etc 11 LB2300 Higher Education 11 LC Special aspects of education 9 QA Mathematics 6 TA Engineering (General). Civil engineering (General) 6 H Social Sciences (General) 5 LB1501 Primary Education 5 HD Industries. Land use. Labor 4 HF5549.5.M63 Employee motivation 4 Q Science (General) 4 L Education 3 TH434-437 Quantity surveying 3 TJ Mechanical engineering and machinery 3 BF Psychology 2 BV1460 Religious Education 2 G70.212-70.215 Geographic information system 2 HA Statistics 2 HD30.2 Knowledge management 2 HF Commerce 2 HM Sociology 2 NA Architecture 2 T Technology (General) 2 TD Environmental technology. Sanitary engineering 2 B Philosophy (General) 1 BJ Ethics 1