Classification
307 - Communities
500 - Natural sciences & mathematics
9
330 - Economics
5
658 - General management
4
304 - Factors affecting social behavior
3
338 - Production
3
384 - Communications; telecommunication
3
001 - Knowledge
2
153 - Mental processes & intelligence
2
620 - Engineering & allied operations
2
158 - Applied psychology
1
300 - Social sciences
1
302 - Social interaction
1
303 - Social processes
1
331 - Labor economics
1
332 - Financial economics
1
339 - Macroeconomics & related topics
1
745 - Decorative arts
1