| | |
- CSB - MetaPress - Google - Bing - Yahoo
 | 2008 | |
|---|---|---|
| 2 |      | Erwin Bratengeyer: The Advent of ePortfolios in Europe. iJET 3(1): (2008) |
| 2005 | ||
| 1 | | Luisa M. Doldi, Erwin Bratengeyer: The web as a free source for scientific information: a comparison with fee-based databases. Online Information Review 29(4): 400-411 (2005) |
| 1 | Luisa M. Doldi | [1] |
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