Classification
330 - Economics
26
338 - Production
26
658 - General management
20
650 - Management & auxiliary services
11
158 - Applied psychology
9
300 - Social sciences
7
000 - Computer science, information & general works
5
302 - Social interaction
5
381 - Commerce
4
500 - Natural sciences & mathematics
4
670 - Manufacturing
4
004 - Data processing & computer science
2
153 - Mental processes & intelligence
1
170 - Ethics
1
301 - Sociology & anthropology
1
331 - Labor economics
1
620 - Engineering & allied operations
1