Classification
330 - Economics
26
338 - Production
650 - Management & auxiliary services
158 - Applied psychology
19
658 - General management
19
300 - Social sciences
11
302 - Social interaction
8
153 - Mental processes & intelligence
5
670 - Manufacturing
5
500 - Natural sciences & mathematics
3
331 - Labor economics
2
381 - Commerce
2
000 - Computer science, information & general works
1
380 - Commerce, communications & transportation
1
384 - Communications; telecommunication
1
657 - Accounting
1