Classification
338 - Production
17
333 - Economics of land & energy
4
339 - Macroeconomics & related topics
4
363 - Other social problems & services
3
330 - Economics
2
332 - Financial economics
2
362 - Social welfare problems & services
2
304 - Factors affecting social behavior
1
305 - Social groups
1
306 - Culture & institutions
1
307 - Communities
1
320 - Political science
1
331 - Labor economics
1
337 - International economics
1
361 - Social problems & social welfare in general
1
368 - Insurance
1