Classification
158 - Applied psychology
5
330 - Economics
4
658 - General management
4
170 - Ethics
3
650 - Management & auxiliary services
3
177 - Ethics of social relations
2
140 - Specific philosophical schools
1
241 - Christian ethics
1
300 - Social sciences
1
302 - Social interaction
1
320 - Political science
1
331 - Labor economics
1
338 - Production
1
380 - Commerce, communications & transportation
1
540 - Chemistry & allied sciences
1
610 - Medicine & health
1
659 - Advertising & public relations
1