Classification
302 - Social interaction
330 - Economics
658 - General management
11
670 - Manufacturing
10
300 - Social sciences
8
500 - Natural sciences & mathematics
8
338 - Production
3
380 - Commerce, communications & transportation
3
384 - Communications; telecommunication
3
000 - Computer science, information & general works
2
381 - Commerce
2
006 - Special computer methods
1
331 - Labor economics
1
650 - Management & auxiliary services
1