Classification
158 - Applied psychology
9
302 - Social interaction
338 - Production
300 - Social sciences
7
330 - Economics
6
650 - Management & auxiliary services
6
658 - General management
6
384 - Communications; telecommunication
3
331 - Labor economics
2
150 - Psychology
1
155 - Differential & developmental psychology
1
380 - Commerce, communications & transportation
1
381 - Commerce
1
500 - Natural sciences & mathematics
1
620 - Engineering & allied operations
1