Classification
338 - Production
384 - Communications; telecommunication
658 - General management
5
000 - Computer science, information & general works
2
070 - News media, journalism & publishing
2
330 - Economics
2
170 - Ethics
1
174 - Occupational ethics
1
300 - Social sciences
1
302 - Social interaction
1
303 - Social processes
1
331 - Labor economics
1
380 - Commerce, communications & transportation
1