Classification
000 - Computer science, information & general works
17
004 - Data processing & computer science
2
005 - Computer programming, programs & data
11
330 - Economics
7
331 - Labor economics
6
338 - Production
3
380 - Commerce, communications & transportation
1
381 - Commerce
3
384 - Communications; telecommunication
5
500 - Natural sciences & mathematics
6
620 - Engineering & allied operations
4
658 - General management
17
670 - Manufacturing
1