Classification
001 - Knowledge
1
004 - Data processing & computer science
1
330 - Economics
1
331 - Labor economics
338 - Production
2
384 - Communications; telecommunication
3
500 - Natural sciences & mathematics
10
510 - Mathematics
1
511 - General principles of mathematics
1
600 - Technology
2
620 - Engineering & allied operations
13
629 - Other branches of engineering
658 - General management
2
745 - Decorative arts
16
790 - Recreational & performing arts
13