Classification
005 - Computer programming, programs & data
2
006 - Special computer methods
1
300 - Social sciences
302 - Social interaction
2
330 - Economics
3
331 - Labor economics
1
338 - Production
1
381 - Commerce
3
500 - Natural sciences & mathematics
4
658 - General management
4
670 - Manufacturing
2
745 - Decorative arts
7