Classification
621 - Applied physics
620 - Engineering & allied operations
10
384 - Communications; telecommunication
8
004 - Data processing & computer science
7
331 - Labor economics
3
500 - Natural sciences & mathematics
3
338 - Production
2
330 - Economics
1
658 - General management
1
681 - Precision instruments & other devices
1
745 - Decorative arts
1
781 - General principles & musical forms
1