Classification
658 - General management
23
330 - Economics
12
670 - Manufacturing
10
300 - Social sciences
7
302 - Social interaction
7
500 - Natural sciences & mathematics
6
338 - Production
3
381 - Commerce
3
001 - Knowledge
2
629 - Other branches of engineering
2
000 - Computer science, information & general works
1
005 - Computer programming, programs & data
1
331 - Labor economics
1
615 - Pharmacology & therapeutics
1
620 - Engineering & allied operations
1