Classification
670 - Manufacturing
330 - Economics
13
658 - General management
13
300 - Social sciences
10
302 - Social interaction
10
500 - Natural sciences & mathematics
10
158 - Applied psychology
3
650 - Management & auxiliary services
3
001 - Knowledge
1
153 - Mental processes & intelligence
1
304 - Factors affecting social behavior
1
338 - Production
1
381 - Commerce
1