Classification
153 - Mental processes & intelligence
331 - Labor economics
338 - Production
658 - General management
17
330 - Economics
16
300 - Social sciences
13
650 - Management & auxiliary services
8
302 - Social interaction
7
006 - Special computer methods
3
158 - Applied psychology
3
303 - Social processes
2
500 - Natural sciences & mathematics
2
000 - Computer science, information & general works
1
150 - Psychology
1
510 - Mathematics
1
670 - Manufacturing
1
745 - Decorative arts
1