Classification
YRA - Social studies
89
YRAB - Gender studies
44
YRAF - Equal opportunities
31
HDG - Psychology, psychiatry
13
YPGE - Human resource planning, human resource management
8
YRAK - Day care
8
YPG - Business management
7
AHC - Research and development, research politics - Germany
4
AHF - Research and science
3
YPGD - Quality management
3
YRB - Social sciences, sociology
3
AHE - Research and development, research politics - foreign countries
2
AHH - Universities - research
2
AHK - Scientific work
2
AMA - Education - general
2
DNC - Internet
2
YFA - Labour legislation
2
YPF - Labour science
2
YZA - Politics, political science
2
AAE - Popular science - general aspects
1
AES - Universities, academies - Germany
1
AHL - Presentations, lectures, discussions
1
AHN - Media and communication science
1
AHP - Philosophy
1
AMAB - Industrial training, further education
1
DOL - Programming language - Python
1
LVE - Food science - general
1
MSH - Mathematical methods in life sciences
1
UEF - Sustainability
1
YPB - Economy - general aspects
1
YPFB - Efficiency of labour
1
YRC - Technology and society
1
YRCD - Informatics, information and society
1