Classification
331 - Labor economics
330 - Economics
24
658 - General management
20
338 - Production
12
300 - Social sciences
11
302 - Social interaction
5
500 - Natural sciences & mathematics
5
170 - Ethics
4
381 - Commerce
4
384 - Communications; telecommunication
4
005 - Computer programming, programs & data
3
303 - Social processes
2
374 - Adult education
2
001 - Knowledge
1
004 - Data processing & computer science
1
011 - Bibliographies
1
304 - Factors affecting social behavior
1
332 - Financial economics
1
343 - Military, tax, trade & industrial law
1
352 - General considerations of public administration
1
363 - Other social problems & services
1
364 - Criminology
1
368 - Insurance
1
510 - Mathematics
1
620 - Engineering & allied operations
1
670 - Manufacturing
1