Classification
300 - Social sciences
15
302 - Social interaction
658 - General management
15
338 - Production
13
330 - Economics
12
670 - Manufacturing
8
500 - Natural sciences & mathematics
7
620 - Engineering & allied operations
4
001 - Knowledge
2
331 - Labor economics
2
000 - Computer science, information & general works
1
384 - Communications; telecommunication
1