Classification
330 - Economics
338 - Production
658 - General management
331 - Labor economics
5
300 - Social sciences
3
302 - Social interaction
3
500 - Natural sciences & mathematics
3
670 - Manufacturing
3
001 - Knowledge
1
158 - Applied psychology
1
303 - Social processes
1
332 - Financial economics
1
355 - Military science
1
364 - Criminology
1
629 - Other branches of engineering
1
650 - Management & auxiliary services
1