Classification
153 - Mental processes & intelligence
330 - Economics
116
658 - General management
116
500 - Natural sciences & mathematics
83
300 - Social sciences
81
302 - Social interaction
80
670 - Manufacturing
79
650 - Management & auxiliary services
46
338 - Production
23
158 - Applied psychology
22
331 - Labor economics
8
381 - Commerce
7
620 - Engineering & allied operations
6
368 - Insurance
4
380 - Commerce, communications & transportation
4
384 - Communications; telecommunication
4
003 - Systems
1
150 - Psychology
1
204 - Religious experience, life & practice
1
303 - Social processes
1
332 - Financial economics
1
352 - General considerations of public administration
1
370 - Education
1
519 - Probabilities & applied mathematics
1
629 - Other branches of engineering
1
745 - Decorative arts
1