Classification
381 - Commerce
384 - Communications; telecommunication
6
658 - General management
6
791 - Public performances
4
302 - Social interaction
3
330 - Economics
3
620 - Engineering & allied operations
3
777 - [Unassigned]
2
006 - Special computer methods
1
070 - News media, journalism & publishing
1
331 - Labor economics
1
659 - Advertising & public relations
1