Classification
690 - Buildings
38
333 - Economics of land & energy
5
624 - Civil engineering
5
658 - General management
3
320 - Political science
2
307 - Communities
1
330 - Economics
1
346 - Private law
1
361 - Social problems & social welfare in general
1
363 - Other social problems & services
1
628 - Sanitary & municipal engineering
1