Classification
000 - Computer science, information & general works
26
005 - Computer programming, programs & data
9
331 - Labor economics
3
004 - Data processing & computer science
2
658 - General management
2
300 - Social sciences
1
302 - Social interaction
1
330 - Economics
1
338 - Production
1
500 - Natural sciences & mathematics
1
620 - Engineering & allied operations
1