Classification
338 - Production
24
302 - Social interaction
18
361 - Social problems & social welfare in general
9
330 - Economics
8
331 - Labor economics
4
320 - Political science
3
339 - Macroeconomics & related topics
3
336 - Public finance
2
337 - International economics
2
658 - General management
2
306 - Culture & institutions
1
333 - Economics of land & energy
1
364 - Criminology
1
519 - Probabilities & applied mathematics
1
657 - Accounting
1