Classification
300 - Social sciences
330 - Economics
658 - General management
659 - Advertising & public relations
302 - Social interaction
15
381 - Commerce
15
500 - Natural sciences & mathematics
12
670 - Manufacturing
11
650 - Management & auxiliary services
3
006 - Special computer methods
2
153 - Mental processes & intelligence
2
331 - Labor economics
2
338 - Production
2
380 - Commerce, communications & transportation
2
384 - Communications; telecommunication
2
158 - Applied psychology
1
170 - Ethics
1