Classification
YFA - Labour legislation
39
YFD - Public service legislation
39
YNA - Patents, trademarks
2
YPGE - Human resource planning, human resource management
2
DZE - Data privacy, data security
1
TKB - Civil engineering - buildings
1
YPB - Economy - general aspects
1
YPG - Business management
1
YPO - Economic policy
1
YRAB - Gender studies
1