Classification
153 - Mental processes & intelligence
330 - Economics
5
500 - Natural sciences & mathematics
3
658 - General management
3
150 - Psychology
2
158 - Applied psychology
2
300 - Social sciences
2
650 - Management & auxiliary services
2
001 - Knowledge
1
302 - Social interaction
1
303 - Social processes
1
305 - Social groups
1
338 - Production
1
361 - Social problems & social welfare in general
1
381 - Commerce
1
670 - Manufacturing
1