Classification
338 - Production
658 - General management
46
330 - Economics
37
332 - Financial economics
9
650 - Management & auxiliary services
7
302 - Social interaction
6
158 - Applied psychology
5
331 - Labor economics
5
384 - Communications; telecommunication
5
300 - Social sciences
4
381 - Commerce
4
620 - Engineering & allied operations
4
005 - Computer programming, programs & data
3
621 - Applied physics
3
004 - Data processing & computer science
2
006 - Special computer methods
2
153 - Mental processes & intelligence
2
303 - Social processes
2
364 - Criminology
2
500 - Natural sciences & mathematics
2
657 - Accounting
2
670 - Manufacturing
2
800 - Literature & rhetoric
2
000 - Computer science, information & general works
1
343 - Military, tax, trade & industrial law
1
346 - Private law
1
371 - Schools & their activities; special education
1
418 - Standard usage & applied linguistics
1
600 - Technology
1
601 - Philosophy & theory
1
610 - Medicine & health
1
615 - Pharmacology & therapeutics
1
629 - Other branches of engineering
1
659 - Advertising & public relations
1
681 - Precision instruments & other devices
1
791 - Public performances
1