Classification
153 - Mental processes & intelligence
384 - Communications; telecommunication
16
006 - Special computer methods
15
302 - Social interaction
13
500 - Natural sciences & mathematics
9
658 - General management
7
005 - Computer programming, programs & data
6
330 - Economics
5
331 - Labor economics
5
000 - Computer science, information & general works
4
158 - Applied psychology
3
519 - Probabilities & applied mathematics
3
003 - Systems
2
150 - Psychology
2
155 - Differential & developmental psychology
2
300 - Social sciences
2
380 - Commerce, communications & transportation
2
381 - Commerce
2
650 - Management & auxiliary services
2
001 - Knowledge
1
332 - Financial economics
1
510 - Mathematics
1
808 - Rhetoric & collections of literature
1