| |
| 1997 | ||
|---|---|---|
| 2 | EE | Elske Heeren, Robert Lewis: Selecting communication media for distributed communities. J. Comp. Assisted Learning 13(2): 85-98 (1997) |
| 1995 | ||
| 1 | Elske Heeren: Investigating colaborative distance learning in small groups which use audio conferencing and a shared workplace. Innovative Adult Learning with Innovative Technologies 1995: 155-162 | |
| 1 | Robert Lewis | [2] |