Classification
YPGL - Public relations
33
AHN - Media and communication science
3
YPGK - Marketing
3
YPGF - Information management, communication management
2
AES - Universities, academies - Germany
1
AFC - Research institutions, scientific organizations - Germany ( DFG, MPG, FHG )
1
DMC - Computer programs
1
DSA - Computer graphics, image/photo editing
1
DYK - Image processing
1
YDY - Media, media law
1
YPG - Business management
1
YPGC - Knowledge management
1
YPGE - Human resource planning, human resource management
1
YRE - Risk assessment
1
ZBDC - Library marketing
1