Classification
330 - Economics
148
338 - Production
52
658 - General management
15
331 - Labor economics
5
650 - Management & auxiliary services
2
261 - Social theology
1
306 - Culture & institutions
1
307 - Communities
1
333 - Economics of land & energy
1
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
1
364 - Criminology
1
380 - Commerce, communications & transportation
1
384 - Communications; telecommunication
1
706 - Organizations & management
1