Classification
300 - Social sciences
330 - Economics
331 - Labor economics
380 - Commerce, communications & transportation
384 - Communications; telecommunication
26
658 - General management
26
302 - Social interaction
18
500 - Natural sciences & mathematics
8
670 - Manufacturing
7
338 - Production
4
006 - Special computer methods
2
153 - Mental processes & intelligence
2
650 - Management & auxiliary services
2
000 - Computer science, information & general works
1
158 - Applied psychology
1
303 - Social processes
1
304 - Factors affecting social behavior
1
381 - Commerce
1