TY  - GEN
A1  - Tesar, Michael
A1  - Hainzel, Thomas
T1  - CEC - Collaborative E-Learning Communities
KW  - E-Learning
KW  - CEC
Y1  - 2019
UR  - http://opus.technikum-wien.at/frontdoor/index/index/docId/1740
ER  -