Classification
AHN - Media and communication science
4
AHJ - Training methods
2
AHL - Presentations, lectures, discussions
2
HDG - Psychology, psychiatry
2
YPG - Business management
2
YRA - Social studies
2
UMV - Climatic change
1
YPGE - Human resource planning, human resource management
1
YPM - National economy
1
YRB - Social sciences, sociology
1
YZA - Politics, political science
1