Classification
332 - Financial economics
620 - Engineering & allied operations
330 - Economics
15
658 - General management
9
338 - Production
8
005 - Computer programming, programs & data
4
333 - Economics of land & energy
3
384 - Communications; telecommunication
3
368 - Insurance
2
000 - Computer science, information & general works
1
001 - Knowledge
1
006 - Special computer methods
1
011 - Bibliographies
1
153 - Mental processes & intelligence
1
158 - Applied psychology
1
300 - Social sciences
1
302 - Social interaction
1
331 - Labor economics
1
339 - Macroeconomics & related topics
1
363 - Other social problems & services
1
381 - Commerce
1
500 - Natural sciences & mathematics
1
519 - Probabilities & applied mathematics
1
629 - Other branches of engineering
1
632 - Plant injuries, diseases & pests
1
650 - Management & auxiliary services
1
670 - Manufacturing
1