Handbooks, manuals, etc 43 Data processing 29 Islam 23 Automobiles -- 21 Employees -- 20 Computer-aided design 18 Islam -- 18 more ... Management 18 Design and construction 15 Production management 14 Religious aspects -- 14 Training of 14 Education -- 13 Study and teaching 13 Conduct of life 12 Engineering -- 12 Industrial management 12 Microcomputers 12 Microprocessors 12 Business -- 11 Maintenance and repair 11 Materials 11 Civil service -- 10 Customs and practices 10 Digital electronics 10 Problems, exercises, etc 10 BASIC (Computer program language) 9 Congresses 9 Digital communications 9 Electronics 9 less ...