Classification
658 - General management
338 - Production
3
001 - Knowledge
2
330 - Economics
2
331 - Labor economics
2
363 - Other social problems & services
2
000 - Computer science, information & general works
1
300 - Social sciences
1
302 - Social interaction
1
368 - Insurance
1
388 - Transportation; ground transportation
1
500 - Natural sciences & mathematics
1