Classification
153 - Mental processes & intelligence
1
300 - Social sciences
2
302 - Social interaction
3
330 - Economics
3
332 - Financial economics
338 - Production
1
380 - Commerce, communications & transportation
1
381 - Commerce
1
382 - International commerce
1
384 - Communications; telecommunication
1
650 - Management & auxiliary services
1
658 - General management
2