Classification
380 - Commerce, communications & transportation
384 - Communications; telecommunication
42
650 - Management & auxiliary services
658 - General management
330 - Economics
37
302 - Social interaction
17
158 - Applied psychology
15
331 - Labor economics
12
300 - Social sciences
11
338 - Production
5
670 - Manufacturing
3
808 - Rhetoric & collections of literature
3
150 - Psychology
2
152 - Perception, movement, emotions & drives
2
153 - Mental processes & intelligence
2
381 - Commerce
2
500 - Natural sciences & mathematics
2
000 - Computer science, information & general works
1
170 - Ethics
1
174 - Occupational ethics
1