Classification
658 - General management
26
330 - Economics
21
650 - Management & auxiliary services
14
300 - Social sciences
10
302 - Social interaction
10
158 - Applied psychology
7
500 - Natural sciences & mathematics
7
670 - Manufacturing
7
381 - Commerce
5
331 - Labor economics
4
000 - Computer science, information & general works
1
153 - Mental processes & intelligence
1
155 - Differential & developmental psychology
1
338 - Production
1
384 - Communications; telecommunication
1
640 - Home & family management
1
646 - Sewing, clothing & personal living
1