Classification
330 - Economics
9
658 - General management
9
670 - Manufacturing
300 - Social sciences
8
302 - Social interaction
8
500 - Natural sciences & mathematics
8
338 - Production
5
332 - Financial economics
4
000 - Computer science, information & general works
1
005 - Computer programming, programs & data
1
153 - Mental processes & intelligence
1
158 - Applied psychology
1
331 - Labor economics
1
368 - Insurance
1
380 - Commerce, communications & transportation
1
381 - Commerce
1
384 - Communications; telecommunication
1