Classification
658 - General management
29
330 - Economics
24
338 - Production
10
302 - Social interaction
8
650 - Management & auxiliary services
7
158 - Applied psychology
4
000 - Computer science, information & general works
3
332 - Financial economics
3
011 - Bibliographies
2
331 - Labor economics
2
380 - Commerce, communications & transportation
2
381 - Commerce
2
384 - Communications; telecommunication
2
670 - Manufacturing
2
003 - Systems
1
004 - Data processing & computer science
1
006 - Special computer methods
1
153 - Mental processes & intelligence
1
300 - Social sciences
1
303 - Social processes
1
343 - Military, tax, trade & industrial law
1
500 - Natural sciences & mathematics
1
620 - Engineering & allied operations
1
647 - Management of public households
1
800 - Literature & rhetoric
1
808 - Rhetoric & collections of literature
1