Classification
153 - Mental processes & intelligence
380 - Commerce, communications & transportation
384 - Communications; telecommunication
10
658 - General management
10
330 - Economics
7
300 - Social sciences
3
302 - Social interaction
2
331 - Labor economics
2
338 - Production
2
500 - Natural sciences & mathematics
2
150 - Psychology
1
152 - Perception, movement, emotions & drives
1
155 - Differential & developmental psychology
1
303 - Social processes
1
670 - Manufacturing
1
808 - Rhetoric & collections of literature
1