Classification
330 - Economics
15
000 - Computer science, information & general works
10
658 - General management
10
338 - Production
5
011 - Bibliographies
4
302 - Social interaction
4
158 - Applied psychology
3
303 - Social processes
3
331 - Labor economics
3
500 - Natural sciences & mathematics
3
153 - Mental processes & intelligence
2
381 - Commerce
2
384 - Communications; telecommunication
2
650 - Management & auxiliary services
2
001 - Knowledge
1
005 - Computer programming, programs & data
1
006 - Special computer methods
1
155 - Differential & developmental psychology
1
300 - Social sciences
1
332 - Financial economics
1
380 - Commerce, communications & transportation
1
646 - Sewing, clothing & personal living
1
670 - Manufacturing
1
808 - Rhetoric & collections of literature
1