Classification
338 - Production
11
339 - Macroeconomics & related topics
4
333 - Economics of land & energy
3
330 - Economics
2
304 - Factors affecting social behavior
1
305 - Social groups
1
320 - Political science
1
331 - Labor economics
1
332 - Financial economics
1
337 - International economics
1
361 - Social problems & social welfare in general
1
362 - Social welfare problems & services
1
363 - Other social problems & services
1