| |
| 2008 | ||
|---|---|---|
| 1 | EE | Pedro Esteban, Juliana Restrepo, Helmuth Trefftz: Training Geometry Teachers with Support of a Telepresence Tool. Innovative Techniques in Instruction Technology, E-learning, E-assessment, and Education 2008: 422-426 |
| 1 | Juliana Restrepo | [1] |
| 2 | Helmuth Trefftz | [1] |