Classification
658 - General management
330 - Economics
7
300 - Social sciences
5
302 - Social interaction
5
331 - Labor economics
5
000 - Computer science, information & general works
4
338 - Production
4
381 - Commerce
4
500 - Natural sciences & mathematics
3
670 - Manufacturing
3
001 - Knowledge
1
005 - Computer programming, programs & data
1
006 - Special computer methods
1
150 - Psychology
1
384 - Communications; telecommunication
1
519 - Probabilities & applied mathematics
1
620 - Engineering & allied operations
1
651 - Office services
1