Classification
302 - Social interaction
658 - General management
27
300 - Social sciences
20
330 - Economics
19
331 - Labor economics
7
384 - Communications; telecommunication
7
338 - Production
6
303 - Social processes
4
500 - Natural sciences & mathematics
4
153 - Mental processes & intelligence
2
380 - Commerce, communications & transportation
2
650 - Management & auxiliary services
2
005 - Computer programming, programs & data
1
158 - Applied psychology
1
170 - Ethics
1
305 - Social groups
1
320 - Political science
1
610 - Medicine & health
1
670 - Manufacturing
1
745 - Decorative arts
1