Classification
005 - Computer programming, programs & data
19
006 - Special computer methods
4
000 - Computer science, information & general works
3
658 - General management
3
004 - Data processing & computer science
2
331 - Labor economics
2
303 - Social processes
1
381 - Commerce
1
384 - Communications; telecommunication
1
500 - Natural sciences & mathematics
1
510 - Mathematics
1
600 - Technology
1
745 - Decorative arts
1