Classification
331 - Labor economics
658 - General management
60
330 - Economics
45
650 - Management & auxiliary services
41
158 - Applied psychology
34
300 - Social sciences
21
302 - Social interaction
20
306 - Culture & institutions
15
500 - Natural sciences & mathematics
7
338 - Production
5
150 - Psychology
4
155 - Differential & developmental psychology
4
000 - Computer science, information & general works
3
384 - Communications; telecommunication
3
646 - Sewing, clothing & personal living
3
670 - Manufacturing
3
001 - Knowledge
2
153 - Mental processes & intelligence
2
170 - Ethics
2
303 - Social processes
2
380 - Commerce, communications & transportation
2
011 - Bibliographies
1
174 - Occupational ethics
1
291 - [Unassigned]
1
361 - Social problems & social welfare in general
1
381 - Commerce
1