| |
| 1998 | ||
|---|---|---|
| 3 | Betty Collis, Petra Fisser: TELETOP, Telelearning at the University of Twente. Teleteaching 1998: 217-228 | |
| 1996 | ||
| 2 | Betty Collis, Toine Andernach, Nico van Diepen: The Web as process tool and product environment for group-based project work in higher education. WebNet 1996 | |
| 1995 | ||
| 1 | Betty Collis: Innovation in learning and innovations in technology: seventeen cases. Innovative Adult Learning with Innovative Technologies 1995: 1-14 | |
| 1 | Toine Andernach | [2] |
| 2 | Nico van Diepen | [2] |
| 3 | Petra Fisser | [3] |