Classification
330 - Economics
331 - Labor economics
500 - Natural sciences & mathematics
658 - General management
11
300 - Social sciences
9
302 - Social interaction
9
670 - Manufacturing
8
338 - Production
2
384 - Communications; telecommunication
2
620 - Engineering & allied operations
2
006 - Special computer methods
1
153 - Mental processes & intelligence
1
745 - Decorative arts
1