Classification
620 - Engineering & allied operations
39
629 - Other branches of engineering
745 - Decorative arts
790 - Recreational & performing arts
17
331 - Labor economics
8
500 - Natural sciences & mathematics
6
600 - Technology
3
006 - Special computer methods
1
333 - Economics of land & energy
1
384 - Communications; telecommunication
1
658 - General management
1