Classification
658 - General management
45
006 - Special computer methods
26
330 - Economics
23
338 - Production
23
000 - Computer science, information & general works
10
500 - Natural sciences & mathematics
6
600 - Technology
5
331 - Labor economics
4
620 - Engineering & allied operations
4
381 - Commerce
3
670 - Manufacturing
3
300 - Social sciences
2
304 - Factors affecting social behavior
2
332 - Financial economics
2
384 - Communications; telecommunication
2
621 - Applied physics
2
650 - Management & auxiliary services
2
745 - Decorative arts
2
001 - Knowledge
1
005 - Computer programming, programs & data
1
011 - Bibliographies
1
302 - Social interaction
1
378 - Higher education
1
380 - Commerce, communications & transportation
1
510 - Mathematics
1
629 - Other branches of engineering
1
677 - Textiles
1