Classification
170 - Ethics
650 - Management & auxiliary services
658 - General management
158 - Applied psychology
42
330 - Economics
41
174 - Occupational ethics
21
300 - Social sciences
9
331 - Labor economics
9
338 - Production
9
381 - Commerce
4
800 - Literature & rhetoric
4
153 - Mental processes & intelligence
3
000 - Computer science, information & general works
2
302 - Social interaction
2
303 - Social processes
1
304 - Factors affecting social behavior
1
380 - Commerce, communications & transportation
1
384 - Communications; telecommunication
1
659 - Advertising & public relations
1
670 - Manufacturing
1