Classification
300 - Social sciences
330 - Economics
10
658 - General management
6
001 - Knowledge
5
302 - Social interaction
5
338 - Production
4
331 - Labor economics
3
500 - Natural sciences & mathematics
3
670 - Manufacturing
3
000 - Computer science, information & general works
2
900 - History & geography
2
153 - Mental processes & intelligence
1
304 - Factors affecting social behavior
1
320 - Political science
1
333 - Economics of land & energy
1
339 - Macroeconomics & related topics
1
381 - Commerce
1
384 - Communications; telecommunication
1
610 - Medicine & health
1
650 - Management & auxiliary services
1