Classification
330 - Economics
39
658 - General management
9
338 - Production
7
331 - Labor economics
3
332 - Financial economics
3
370 - Education
3
363 - Other social problems & services
2
368 - Insurance
2
003 - Systems
1
004 - Data processing & computer science
1
006 - Special computer methods
1
300 - Social sciences
1
301 - Sociology & anthropology
1
302 - Social interaction
1
304 - Factors affecting social behavior
1
339 - Macroeconomics & related topics
1
346 - Private law
1
364 - Criminology
1
380 - Commerce, communications & transportation
1
382 - International commerce
1
507 - Education, research & related topics
1
550 - Earth sciences
1
551 - Geology, hydrology & meteorology
1
571 - Physiology & related subjects
1
579 - Microorganisms, fungi & algae
1
615 - Pharmacology & therapeutics
1
620 - Engineering & allied operations
1
621 - Applied physics
1
641 - Food & drink
1
657 - Accounting
1
664 - Food technology
1