Classification
338 - Production
658 - General management
13
670 - Manufacturing
330 - Economics
11
500 - Natural sciences & mathematics
8
300 - Social sciences
7
302 - Social interaction
7
331 - Labor economics
4
158 - Applied psychology
3
650 - Management & auxiliary services
2
000 - Computer science, information & general works
1
170 - Ethics
1
332 - Financial economics
1
361 - Social problems & social welfare in general
1
368 - Insurance
1
381 - Commerce
1
629 - Other branches of engineering
1
659 - Advertising & public relations
1