Classification
331 - Labor economics
8
384 - Communications; telecommunication
5
000 - Computer science, information & general works
4
658 - General management
3
004 - Data processing & computer science
2
005 - Computer programming, programs & data
2
330 - Economics
1
338 - Production
1
340 - Law
1
380 - Commerce, communications & transportation
1
500 - Natural sciences & mathematics
1
510 - Mathematics
1