Classification
338 - Production
658 - General management
20
330 - Economics
17
300 - Social sciences
7
302 - Social interaction
6
153 - Mental processes & intelligence
5
158 - Applied psychology
5
500 - Natural sciences & mathematics
5
650 - Management & auxiliary services
5
670 - Manufacturing
4
331 - Labor economics
3
332 - Financial economics
3
381 - Commerce
2
384 - Communications; telecommunication
2
621 - Applied physics
2
004 - Data processing & computer science
1
150 - Psychology
1
343 - Military, tax, trade & industrial law
1
620 - Engineering & allied operations
1
796 - Athletic & outdoor sports & games
1