Classification
331 - Labor economics
005 - Computer programming, programs & data
13
004 - Data processing & computer science
5
374 - Adult education
4
658 - General management
3
330 - Economics
2
338 - Production
2
384 - Communications; telecommunication
2
500 - Natural sciences & mathematics
2
000 - Computer science, information & general works
1
363 - Other social problems & services
1
620 - Engineering & allied operations
1