Contact Information
| i.liberado@edutech.uni-saarland.de | |
| phone | ++681 302 71250 |
| skype | na |
| home page | Homepage learning sciences |
| mailing address | Department of Educational Technology Saarland University Campus C5 4 66123 Saarbrücken Germany |
| office | Building C5 4, Room 1.11 |