Classification
YPA - Economy - encyclopaedic glossaries
6
YPG - Business management
6
YHA - Industrial property law, licensing rights
5
YPD - Business economics
5
AED - Official corporations - international and supranational
4
ACE - Germanic languages, Indo-Germanic languages
3
AHC - Research and development, research politics - Germany
3
ACA - Languages, dictionaries - general
2
AHA - Research and development, research politics - general
2
AMAB - Industrial training, further education
2
DTAF - MS - Excel
2
YDM - Commercial law, commercial legislation
2
YDX - Contract law
2
YFD - Public service legislation
2
YPGE - Human resource planning, human resource management
2
YPGH - Planning and controlling
2
YPGK - Marketing
2
YPJ - Accounting
2
YRG - Technology transfer
2
ACH - Romance languages
1
AHE - Research and development, research politics - foreign countries
1
AHH - Universities - research
1
AMA - Education - general
1
DMC - Computer programs
1
DNC - Internet
1
FGN - Nanotechnology
1
LTH - Biotechnology - methods
1
TBW - Sensors, actuators
1
UCS - Environmental chemistry
1
USG - Waste treatment, waste disposal
1
YHJ - Copyright, press law
1
YKP - German civil law
1
YMA - International law
1
YMG - Law of international and supranational organizations
1
YPB - Economy - general aspects
1
YPGD - Quality management
1
YPGN - Project management
1
YPM - National economy
1