Classification
153 - Mental processes & intelligence
650 - Management & auxiliary services
330 - Economics
28
658 - General management
26
338 - Production
16
302 - Social interaction
8
300 - Social sciences
7
158 - Applied psychology
5
000 - Computer science, information & general works
4
670 - Manufacturing
3
331 - Labor economics
2
381 - Commerce
2
384 - Communications; telecommunication
2
500 - Natural sciences & mathematics
2
006 - Special computer methods
1
150 - Psychology
1
303 - Social processes
1
629 - Other branches of engineering
1