Classification
331 - Labor economics
004 - Data processing & computer science
3
330 - Economics
3
384 - Communications; telecommunication
3
500 - Natural sciences & mathematics
3
006 - Special computer methods
2
658 - General management
2
000 - Computer science, information & general works
1
025 - Library operations
1
158 - Applied psychology
1
170 - Ethics
1
300 - Social sciences
1
302 - Social interaction
1
303 - Social processes
1
338 - Production
1
381 - Commerce
1
620 - Engineering & allied operations
1