Classification
158 - Applied psychology
380 - Commerce, communications & transportation
384 - Communications; telecommunication
25
658 - General management
330 - Economics
22
650 - Management & auxiliary services
15
331 - Labor economics
7
300 - Social sciences
5
170 - Ethics
3
302 - Social interaction
3
150 - Psychology
2
155 - Differential & developmental psychology
2
338 - Production
2
500 - Natural sciences & mathematics
2
670 - Manufacturing
2
000 - Computer science, information & general works
1
174 - Occupational ethics
1
381 - Commerce
1