Classification
330 - Economics
338 - Production
658 - General management
17
331 - Labor economics
8
500 - Natural sciences & mathematics
6
004 - Data processing & computer science
4
005 - Computer programming, programs & data
4
000 - Computer science, information & general works
3
300 - Social sciences
3
302 - Social interaction
3
650 - Management & auxiliary services
3
006 - Special computer methods
2
153 - Mental processes & intelligence
2
001 - Knowledge
1
170 - Ethics
1
332 - Financial economics
1
363 - Other social problems & services
1
364 - Criminology
1
381 - Commerce
1
384 - Communications; telecommunication
1
620 - Engineering & allied operations
1
629 - Other branches of engineering
1
670 - Manufacturing
1